Home / 99,471,981.40-149,207,972.10-59,061,664.60

Finding the Fourth Proportional to 99,471,981.40, 149,207,972.10 and 59,061,664.60

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Solution

The fourth proportional to 99,471,981.40, 149,207,972.10 and 59,061,664.60 is: 88,592,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,471,981.40 : 149,207,972.10 = 59,061,664.60 : x
  2. Step 2: Convert to fraction form
    99,471,981.40/149,207,972.10 = 59,061,664.60/x
  3. Step 3: Cross multiply
    99,471,981.40x = 149,207,972.10 × 59,061,664.60
  4. Step 4: Simplify right side
    99,471,981.40x = 8,812,471,203,816,358
  5. Step 5: Solve for x
    x = 8,812,471,203,816,358/99,471,981.40
  6. Step 6: Final answer
    x = 88,592,496.90

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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.