Home / 82,946,427.20-124,419,640.80-29,088,123.20

Finding the Fourth Proportional to 82,946,427.20, 124,419,640.80 and 29,088,123.20

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Solution

The fourth proportional to 82,946,427.20, 124,419,640.80 and 29,088,123.20 is: 43,632,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,946,427.20 : 124,419,640.80 = 29,088,123.20 : x
  2. Step 2: Convert to fraction form
    82,946,427.20/124,419,640.80 = 29,088,123.20/x
  3. Step 3: Cross multiply
    82,946,427.20x = 124,419,640.80 × 29,088,123.20
  4. Step 4: Simplify right side
    82,946,427.20x = 3,619,133,840,090,146.50
  5. Step 5: Solve for x
    x = 3,619,133,840,090,146.50/82,946,427.20
  6. Step 6: Final answer
    x = 43,632,184.80

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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.