Home / 84,055,123.40-126,082,685.10-29,529,276.80

Finding the Fourth Proportional to 84,055,123.40, 126,082,685.10 and 29,529,276.80

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Solution

The fourth proportional to 84,055,123.40, 126,082,685.10 and 29,529,276.80 is: 44,293,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,055,123.40 : 126,082,685.10 = 29,529,276.80 : x
  2. Step 2: Convert to fraction form
    84,055,123.40/126,082,685.10 = 29,529,276.80/x
  3. Step 3: Cross multiply
    84,055,123.40x = 126,082,685.10 × 29,529,276.80
  4. Step 4: Simplify right side
    84,055,123.40x = 3,723,130,508,005,135.50
  5. Step 5: Solve for x
    x = 3,723,130,508,005,135.50/84,055,123.40
  6. Step 6: Final answer
    x = 44,293,915.20

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Double scale
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Similar ratio
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1.5x scale

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.