Home / 82,798,439.60-124,197,659.40-82,231,569.20

Finding the Fourth Proportional to 82,798,439.60, 124,197,659.40 and 82,231,569.20

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Solution

The fourth proportional to 82,798,439.60, 124,197,659.40 and 82,231,569.20 is: 123,347,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,798,439.60 : 124,197,659.40 = 82,231,569.20 : x
  2. Step 2: Convert to fraction form
    82,798,439.60/124,197,659.40 = 82,231,569.20/x
  3. Step 3: Cross multiply
    82,798,439.60x = 124,197,659.40 × 82,231,569.20
  4. Step 4: Simplify right side
    82,798,439.60x = 10,212,968,423,429,132
  5. Step 5: Solve for x
    x = 10,212,968,423,429,132/82,798,439.60
  6. Step 6: Final answer
    x = 123,347,353.80

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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.