Home / 89,079,692.10-133,619,538.15-74,730,785.10

Finding the Fourth Proportional to 89,079,692.10, 133,619,538.15 and 74,730,785.10

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Solution

The fourth proportional to 89,079,692.10, 133,619,538.15 and 74,730,785.10 is: 112,096,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079,692.10 : 133,619,538.15 = 74,730,785.10 : x
  2. Step 2: Convert to fraction form
    89,079,692.10/133,619,538.15 = 74,730,785.10/x
  3. Step 3: Cross multiply
    89,079,692.10x = 133,619,538.15 × 74,730,785.10
  4. Step 4: Simplify right side
    89,079,692.10x = 9,985,492,990,648,902
  5. Step 5: Solve for x
    x = 9,985,492,990,648,902/89,079,692.10
  6. Step 6: Final answer
    x = 112,096,177.65

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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.