Home / 78,734,010.30-118,101,015.45-73,951,041.30

Finding the Fourth Proportional to 78,734,010.30, 118,101,015.45 and 73,951,041.30

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Solution

The fourth proportional to 78,734,010.30, 118,101,015.45 and 73,951,041.30 is: 110,926,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,734,010.30 : 118,101,015.45 = 73,951,041.30 : x
  2. Step 2: Convert to fraction form
    78,734,010.30/118,101,015.45 = 73,951,041.30/x
  3. Step 3: Cross multiply
    78,734,010.30x = 118,101,015.45 × 73,951,041.30
  4. Step 4: Simplify right side
    78,734,010.30x = 8,733,693,071,114,888
  5. Step 5: Solve for x
    x = 8,733,693,071,114,888/78,734,010.30
  6. Step 6: Final answer
    x = 110,926,561.95

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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.