Home / 42,670,463.23-63,979,775.57-16,731,689.54

Finding the Fourth Proportional to 42,670,463.23, 63,979,775.57 and 16,731,689.54

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Solution

The fourth proportional to 42,670,463.23, 63,979,775.57 and 16,731,689.54 is: 25,087,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,463.23 : 63,979,775.57 = 16,731,689.54 : x
  2. Step 2: Convert to fraction form
    42,670,463.23/63,979,775.57 = 16,731,689.54/x
  3. Step 3: Cross multiply
    42,670,463.23x = 63,979,775.57 × 16,731,689.54
  4. Step 4: Simplify right side
    42,670,463.23x = 1,070,489,741,676,116.50
  5. Step 5: Solve for x
    x = 1,070,489,741,676,116.50/42,670,463.23
  6. Step 6: Final answer
    x = 25,087,371.00

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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.