Home / 89,096,837.40-133,538,967.90-79,956,052.20

Finding the Fourth Proportional to 89,096,837.40, 133,538,967.90 and 79,956,052.20

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Solution

The fourth proportional to 89,096,837.40, 133,538,967.90 and 79,956,052.20 is: 119,838,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,096,837.40 : 133,538,967.90 = 79,956,052.20 : x
  2. Step 2: Convert to fraction form
    89,096,837.40/133,538,967.90 = 79,956,052.20/x
  3. Step 3: Cross multiply
    89,096,837.40x = 133,538,967.90 × 79,956,052.20
  4. Step 4: Simplify right side
    89,096,837.40x = 10,677,248,688,146,526
  5. Step 5: Solve for x
    x = 10,677,248,688,146,526/89,096,837.40
  6. Step 6: Final answer
    x = 119,838,694.61

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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.