Home / 81,046,152.30-121,569,228.45-24,312,456.30

Finding the Fourth Proportional to 81,046,152.30, 121,569,228.45 and 24,312,456.30

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Solution

The fourth proportional to 81,046,152.30, 121,569,228.45 and 24,312,456.30 is: 36,468,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,046,152.30 : 121,569,228.45 = 24,312,456.30 : x
  2. Step 2: Convert to fraction form
    81,046,152.30/121,569,228.45 = 24,312,456.30/x
  3. Step 3: Cross multiply
    81,046,152.30x = 121,569,228.45 × 24,312,456.30
  4. Step 4: Simplify right side
    81,046,152.30x = 2,955,646,554,115,342
  5. Step 5: Solve for x
    x = 2,955,646,554,115,342/81,046,152.30
  6. Step 6: Final answer
    x = 36,468,684.45

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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.