Home / 42,128,254.92-58,136,977.62-22,812,670.92

Finding the Fourth Proportional to 42,128,254.92, 58,136,977.62 and 22,812,670.92

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Solution

The fourth proportional to 42,128,254.92, 58,136,977.62 and 22,812,670.92 is: 31,481,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128,254.92 : 58,136,977.62 = 22,812,670.92 : x
  2. Step 2: Convert to fraction form
    42,128,254.92/58,136,977.62 = 22,812,670.92/x
  3. Step 3: Cross multiply
    42,128,254.92x = 58,136,977.62 × 22,812,670.92
  4. Step 4: Simplify right side
    42,128,254.92x = 1,326,259,738,728,464.75
  5. Step 5: Solve for x
    x = 1,326,259,738,728,464.75/42,128,254.92
  6. Step 6: Final answer
    x = 31,481,478.20

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Why These Related Problems?

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