Home / 42,142,736.80-63,143,246.40-34,915,139.20

Finding the Fourth Proportional to 42,142,736.80, 63,143,246.40 and 34,915,139.20

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Solution

The fourth proportional to 42,142,736.80, 63,143,246.40 and 34,915,139.20 is: 52,314,002.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,142,736.80 : 63,143,246.40 = 34,915,139.20 : x
  2. Step 2: Convert to fraction form
    42,142,736.80/63,143,246.40 = 34,915,139.20/x
  3. Step 3: Cross multiply
    42,142,736.80x = 63,143,246.40 × 34,915,139.20
  4. Step 4: Simplify right side
    42,142,736.80x = 2,204,655,237,595,899
  5. Step 5: Solve for x
    x = 2,204,655,237,595,899/42,142,736.80
  6. Step 6: Final answer
    x = 52,314,002.48

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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.