Home / 42,704,447.90-64,056,671.85-19,675,337.90

Finding the Fourth Proportional to 42,704,447.90, 64,056,671.85 and 19,675,337.90

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Solution

The fourth proportional to 42,704,447.90, 64,056,671.85 and 19,675,337.90 is: 29,513,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704,447.90 : 64,056,671.85 = 19,675,337.90 : x
  2. Step 2: Convert to fraction form
    42,704,447.90/64,056,671.85 = 19,675,337.90/x
  3. Step 3: Cross multiply
    42,704,447.90x = 64,056,671.85 × 19,675,337.90
  4. Step 4: Simplify right side
    42,704,447.90x = 1,260,336,663,398,168
  5. Step 5: Solve for x
    x = 1,260,336,663,398,168/42,704,447.90
  6. Step 6: Final answer
    x = 29,513,006.85

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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.