Home / 42,572,116.20-63,866,468.70-17,008,775.40

Finding the Fourth Proportional to 42,572,116.20, 63,866,468.70 and 17,008,775.40

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Solution

The fourth proportional to 42,572,116.20, 63,866,468.70 and 17,008,775.40 is: 25,516,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,572,116.20 : 63,866,468.70 = 17,008,775.40 : x
  2. Step 2: Convert to fraction form
    42,572,116.20/63,866,468.70 = 17,008,775.40/x
  3. Step 3: Cross multiply
    42,572,116.20x = 63,866,468.70 × 17,008,775.40
  4. Step 4: Simplify right side
    42,572,116.20x = 1,086,290,421,709,429.88
  5. Step 5: Solve for x
    x = 1,086,290,421,709,429.88/42,572,116.20
  6. Step 6: Final answer
    x = 25,516,476.95

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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.