Home / 42,704,513.20-64,056,769.80-31,283,124.40

Finding the Fourth Proportional to 42,704,513.20, 64,056,769.80 and 31,283,124.40

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Solution

The fourth proportional to 42,704,513.20, 64,056,769.80 and 31,283,124.40 is: 46,924,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704,513.20 : 64,056,769.80 = 31,283,124.40 : x
  2. Step 2: Convert to fraction form
    42,704,513.20/64,056,769.80 = 31,283,124.40/x
  3. Step 3: Cross multiply
    42,704,513.20x = 64,056,769.80 × 31,283,124.40
  4. Step 4: Simplify right side
    42,704,513.20x = 2,003,895,898,315,563
  5. Step 5: Solve for x
    x = 2,003,895,898,315,563/42,704,513.20
  6. Step 6: Final answer
    x = 46,924,686.60

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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.