Home / 42,128,242.92-58,136,961.06-22,812,658.92

Finding the Fourth Proportional to 42,128,242.92, 58,136,961.06 and 22,812,658.92

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Solution

The fourth proportional to 42,128,242.92, 58,136,961.06 and 22,812,658.92 is: 31,481,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128,242.92 : 58,136,961.06 = 22,812,658.92 : x
  2. Step 2: Convert to fraction form
    42,128,242.92/58,136,961.06 = 22,812,658.92/x
  3. Step 3: Cross multiply
    42,128,242.92x = 58,136,961.06 × 22,812,658.92
  4. Step 4: Simplify right side
    42,128,242.92x = 1,326,258,663,307,101.75
  5. Step 5: Solve for x
    x = 1,326,258,663,307,101.75/42,128,242.92
  6. Step 6: Final answer
    x = 31,481,461.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.