Home / 42,624,127.80-63,894,201.30-21,062,057.40

Finding the Fourth Proportional to 42,624,127.80, 63,894,201.30 and 21,062,057.40

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Solution

The fourth proportional to 42,624,127.80, 63,894,201.30 and 21,062,057.40 is: 31,572,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,127.80 : 63,894,201.30 = 21,062,057.40 : x
  2. Step 2: Convert to fraction form
    42,624,127.80/63,894,201.30 = 21,062,057.40/x
  3. Step 3: Cross multiply
    42,624,127.80x = 63,894,201.30 × 21,062,057.40
  4. Step 4: Simplify right side
    42,624,127.80x = 1,345,743,335,307,754.50
  5. Step 5: Solve for x
    x = 1,345,743,335,307,754.50/42,624,127.80
  6. Step 6: Final answer
    x = 31,572,337.19

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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.