Home / 137,909,663.40-206,864,495.10-61,151,212.20

Finding the Fourth Proportional to 137,909,663.40, 206,864,495.10 and 61,151,212.20

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Solution

The fourth proportional to 137,909,663.40, 206,864,495.10 and 61,151,212.20 is: 91,726,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,909,663.40 : 206,864,495.10 = 61,151,212.20 : x
  2. Step 2: Convert to fraction form
    137,909,663.40/206,864,495.10 = 61,151,212.20/x
  3. Step 3: Cross multiply
    137,909,663.40x = 206,864,495.10 × 61,151,212.20
  4. Step 4: Simplify right side
    137,909,663.40x = 12,650,014,636,505,960
  5. Step 5: Solve for x
    x = 12,650,014,636,505,960/137,909,663.40
  6. Step 6: Final answer
    x = 91,726,818.30

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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.