Home / 165,260,663.10-247,607,559.45-78,812,927.10

Finding the Fourth Proportional to 165,260,663.10, 247,607,559.45 and 78,812,927.10

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Solution

The fourth proportional to 165,260,663.10, 247,607,559.45 and 78,812,927.10 is: 118,084,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,260,663.10 : 247,607,559.45 = 78,812,927.10 : x
  2. Step 2: Convert to fraction form
    165,260,663.10/247,607,559.45 = 78,812,927.10/x
  3. Step 3: Cross multiply
    165,260,663.10x = 247,607,559.45 × 78,812,927.10
  4. Step 4: Simplify right side
    165,260,663.10x = 19,514,676,532,341,764
  5. Step 5: Solve for x
    x = 19,514,676,532,341,764/165,260,663.10
  6. Step 6: Final answer
    x = 118,084,220.20

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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.