Home / 89,019,048.60-133,528,572.90-67,194,538.20

Finding the Fourth Proportional to 89,019,048.60, 133,528,572.90 and 67,194,538.20

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Solution

The fourth proportional to 89,019,048.60, 133,528,572.90 and 67,194,538.20 is: 100,791,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,019,048.60 : 133,528,572.90 = 67,194,538.20 : x
  2. Step 2: Convert to fraction form
    89,019,048.60/133,528,572.90 = 67,194,538.20/x
  3. Step 3: Cross multiply
    89,019,048.60x = 133,528,572.90 × 67,194,538.20
  4. Step 4: Simplify right side
    89,019,048.60x = 8,972,390,792,520,536
  5. Step 5: Solve for x
    x = 8,972,390,792,520,536/89,019,048.60
  6. Step 6: Final answer
    x = 100,791,807.30

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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.