Home / 42,882,190.17-64,327,139.85-12,177,071.03

Finding the Fourth Proportional to 42,882,190.17, 64,327,139.85 and 12,177,071.03

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Solution

The fourth proportional to 42,882,190.17, 64,327,139.85 and 12,177,071.03 is: 18,266,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,882,190.17 : 64,327,139.85 = 12,177,071.03 : x
  2. Step 2: Convert to fraction form
    42,882,190.17/64,327,139.85 = 12,177,071.03/x
  3. Step 3: Cross multiply
    42,882,190.17x = 64,327,139.85 × 12,177,071.03
  4. Step 4: Simplify right side
    42,882,190.17x = 783,316,150,788,557.88
  5. Step 5: Solve for x
    x = 783,316,150,788,557.88/42,882,190.17
  6. Step 6: Final answer
    x = 18,266,701.11

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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.