Home / 42,780,302.73-64,165,905.02-12,074,122.89

Finding the Fourth Proportional to 42,780,302.73, 64,165,905.02 and 12,074,122.89

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Solution

The fourth proportional to 42,780,302.73, 64,165,905.02 and 12,074,122.89 is: 18,109,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,780,302.73 : 64,165,905.02 = 12,074,122.89 : x
  2. Step 2: Convert to fraction form
    42,780,302.73/64,165,905.02 = 12,074,122.89/x
  3. Step 3: Cross multiply
    42,780,302.73x = 64,165,905.02 × 12,074,122.89
  4. Step 4: Simplify right side
    42,780,302.73x = 774,747,022,807,716.50
  5. Step 5: Solve for x
    x = 774,747,022,807,716.50/42,780,302.73
  6. Step 6: Final answer
    x = 18,109,900.43

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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.