Home / 42,882,189.67-64,327,139.09-12,177,070.53

Finding the Fourth Proportional to 42,882,189.67, 64,327,139.09 and 12,177,070.53

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Solution

The fourth proportional to 42,882,189.67, 64,327,139.09 and 12,177,070.53 is: 18,266,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,882,189.67 : 64,327,139.09 = 12,177,070.53 : x
  2. Step 2: Convert to fraction form
    42,882,189.67/64,327,139.09 = 12,177,070.53/x
  3. Step 3: Cross multiply
    42,882,189.67x = 64,327,139.09 × 12,177,070.53
  4. Step 4: Simplify right side
    42,882,189.67x = 783,316,109,692,050
  5. Step 5: Solve for x
    x = 783,316,109,692,050/42,882,189.67
  6. Step 6: Final answer
    x = 18,266,700.36

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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.