Home / 147,613,266.30-221,419,899.45-70,917,800.70

Finding the Fourth Proportional to 147,613,266.30, 221,419,899.45 and 70,917,800.70

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Solution

The fourth proportional to 147,613,266.30, 221,419,899.45 and 70,917,800.70 is: 106,376,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613,266.30 : 221,419,899.45 = 70,917,800.70 : x
  2. Step 2: Convert to fraction form
    147,613,266.30/221,419,899.45 = 70,917,800.70/x
  3. Step 3: Cross multiply
    147,613,266.30x = 221,419,899.45 × 70,917,800.70
  4. Step 4: Simplify right side
    147,613,266.30x = 15,702,612,300,209,140
  5. Step 5: Solve for x
    x = 15,702,612,300,209,140/147,613,266.30
  6. Step 6: Final answer
    x = 106,376,701.05

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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.