Home / 42,624,129.30-63,894,203.55-21,062,058.90

Finding the Fourth Proportional to 42,624,129.30, 63,894,203.55 and 21,062,058.90

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Solution

The fourth proportional to 42,624,129.30, 63,894,203.55 and 21,062,058.90 is: 31,572,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,129.30 : 63,894,203.55 = 21,062,058.90 : x
  2. Step 2: Convert to fraction form
    42,624,129.30/63,894,203.55 = 21,062,058.90/x
  3. Step 3: Cross multiply
    42,624,129.30x = 63,894,203.55 × 21,062,058.90
  4. Step 4: Simplify right side
    42,624,129.30x = 1,345,743,478,538,689
  5. Step 5: Solve for x
    x = 1,345,743,478,538,689/42,624,129.30
  6. Step 6: Final answer
    x = 31,572,339.44

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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.