Home / 82,811,076.90-124,216,615.35-28,285,230.30

Finding the Fourth Proportional to 82,811,076.90, 124,216,615.35 and 28,285,230.30

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Solution

The fourth proportional to 82,811,076.90, 124,216,615.35 and 28,285,230.30 is: 42,427,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811,076.90 : 124,216,615.35 = 28,285,230.30 : x
  2. Step 2: Convert to fraction form
    82,811,076.90/124,216,615.35 = 28,285,230.30/x
  3. Step 3: Cross multiply
    82,811,076.90x = 124,216,615.35 × 28,285,230.30
  4. Step 4: Simplify right side
    82,811,076.90x = 3,513,495,572,261,265
  5. Step 5: Solve for x
    x = 3,513,495,572,261,265/82,811,076.90
  6. Step 6: Final answer
    x = 42,427,845.45

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Double scale
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Similar ratio
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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.