Home / 42,670,058.35-63,979,168.82-16,731,283.11

Finding the Fourth Proportional to 42,670,058.35, 63,979,168.82 and 16,731,283.11

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Solution

The fourth proportional to 42,670,058.35, 63,979,168.82 and 16,731,283.11 is: 25,086,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,058.35 : 63,979,168.82 = 16,731,283.11 : x
  2. Step 2: Convert to fraction form
    42,670,058.35/63,979,168.82 = 16,731,283.11/x
  3. Step 3: Cross multiply
    42,670,058.35x = 63,979,168.82 × 16,731,283.11
  4. Step 4: Simplify right side
    42,670,058.35x = 1,070,453,586,901,812.75
  5. Step 5: Solve for x
    x = 1,070,453,586,901,812.75/42,670,058.35
  6. Step 6: Final answer
    x = 25,086,761.73

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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.