Home / 82,816,168.70-124,224,253.05-52,657,730.30

Finding the Fourth Proportional to 82,816,168.70, 124,224,253.05 and 52,657,730.30

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Solution

The fourth proportional to 82,816,168.70, 124,224,253.05 and 52,657,730.30 is: 78,986,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,816,168.70 : 124,224,253.05 = 52,657,730.30 : x
  2. Step 2: Convert to fraction form
    82,816,168.70/124,224,253.05 = 52,657,730.30/x
  3. Step 3: Cross multiply
    82,816,168.70x = 124,224,253.05 × 52,657,730.30
  4. Step 4: Simplify right side
    82,816,168.70x = 6,541,367,213,825,852
  5. Step 5: Solve for x
    x = 6,541,367,213,825,852/82,816,168.70
  6. Step 6: Final answer
    x = 78,986,595.45

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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.