Home / 42,624,129.80-63,894,204.30-21,062,059.40

Finding the Fourth Proportional to 42,624,129.80, 63,894,204.30 and 21,062,059.40

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Solution

The fourth proportional to 42,624,129.80, 63,894,204.30 and 21,062,059.40 is: 31,572,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,129.80 : 63,894,204.30 = 21,062,059.40 : x
  2. Step 2: Convert to fraction form
    42,624,129.80/63,894,204.30 = 21,062,059.40/x
  3. Step 3: Cross multiply
    42,624,129.80x = 63,894,204.30 × 21,062,059.40
  4. Step 4: Simplify right side
    42,624,129.80x = 1,345,743,526,282,335.25
  5. Step 5: Solve for x
    x = 1,345,743,526,282,335.25/42,624,129.80
  6. Step 6: Final answer
    x = 31,572,340.19

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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.