Home / 42,264,005.10-63,396,007.65-39,408,657.90

Finding the Fourth Proportional to 42,264,005.10, 63,396,007.65 and 39,408,657.90

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Solution

The fourth proportional to 42,264,005.10, 63,396,007.65 and 39,408,657.90 is: 59,112,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,264,005.10 : 63,396,007.65 = 39,408,657.90 : x
  2. Step 2: Convert to fraction form
    42,264,005.10/63,396,007.65 = 39,408,657.90/x
  3. Step 3: Cross multiply
    42,264,005.10x = 63,396,007.65 × 39,408,657.90
  4. Step 4: Simplify right side
    42,264,005.10x = 2,498,351,577,704,633
  5. Step 5: Solve for x
    x = 2,498,351,577,704,633/42,264,005.10
  6. Step 6: Final answer
    x = 59,112,986.85

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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.