Home / 88,605,612.80-132,642,998.40-52,685,331.20

Finding the Fourth Proportional to 88,605,612.80, 132,642,998.40 and 52,685,331.20

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Solution

The fourth proportional to 88,605,612.80, 132,642,998.40 and 52,685,331.20 is: 78,870,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,605,612.80 : 132,642,998.40 = 52,685,331.20 : x
  2. Step 2: Convert to fraction form
    88,605,612.80/132,642,998.40 = 52,685,331.20/x
  3. Step 3: Cross multiply
    88,605,612.80x = 132,642,998.40 × 52,685,331.20
  4. Step 4: Simplify right side
    88,605,612.80x = 6,988,340,302,065,071
  5. Step 5: Solve for x
    x = 6,988,340,302,065,071/88,605,612.80
  6. Step 6: Final answer
    x = 78,870,176.29

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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.