Home / 172,413,363,428.70-258,620,045,143.05-101,885,615,742.30

Finding the Fourth Proportional to 172,413,363,428.70, 258,620,045,143.05 and 101,885,615,742.30

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Solution

The fourth proportional to 172,413,363,428.70, 258,620,045,143.05 and 101,885,615,742.30 is: 152,828,423,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413,363,428.70 : 258,620,045,143.05 = 101,885,615,742.30 : x
  2. Step 2: Convert to fraction form
    172,413,363,428.70/258,620,045,143.05 = 101,885,615,742.30/x
  3. Step 3: Cross multiply
    172,413,363,428.70x = 258,620,045,143.05 × 101,885,615,742.30
  4. Step 4: Simplify right side
    172,413,363,428.70x = 26,349,662,542,701,071,958,016
  5. Step 5: Solve for x
    x = 26,349,662,542,701,071,958,016/172,413,363,428.70
  6. Step 6: Final answer
    x = 152,828,423,613.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.