Home / 298,973,878.10-448,460,817.15-137,730,742.10

Finding the Fourth Proportional to 298,973,878.10, 448,460,817.15 and 137,730,742.10

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Solution

The fourth proportional to 298,973,878.10, 448,460,817.15 and 137,730,742.10 is: 206,596,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,973,878.10 : 448,460,817.15 = 137,730,742.10 : x
  2. Step 2: Convert to fraction form
    298,973,878.10/448,460,817.15 = 137,730,742.10/x
  3. Step 3: Cross multiply
    298,973,878.10x = 448,460,817.15 × 137,730,742.10
  4. Step 4: Simplify right side
    298,973,878.10x = 61,766,841,148,841,904
  5. Step 5: Solve for x
    x = 61,766,841,148,841,904/298,973,878.10
  6. Step 6: Final answer
    x = 206,596,113.15

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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.