Home / 42,664,921.80-64,146,681.90-41,769,126.60

Finding the Fourth Proportional to 42,664,921.80, 64,146,681.90 and 41,769,126.60

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Solution

The fourth proportional to 42,664,921.80, 64,146,681.90 and 41,769,126.60 is: 62,799,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664,921.80 : 64,146,681.90 = 41,769,126.60 : x
  2. Step 2: Convert to fraction form
    42,664,921.80/64,146,681.90 = 41,769,126.60/x
  3. Step 3: Cross multiply
    42,664,921.80x = 64,146,681.90 × 41,769,126.60
  4. Step 4: Simplify right side
    42,664,921.80x = 2,679,350,877,251,028.50
  5. Step 5: Solve for x
    x = 2,679,350,877,251,028.50/42,664,921.80
  6. Step 6: Final answer
    x = 62,799,854.41

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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.