Home / 72,429,640.80-108,644,461.20-23,914,982.40

Finding the Fourth Proportional to 72,429,640.80, 108,644,461.20 and 23,914,982.40

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Solution

The fourth proportional to 72,429,640.80, 108,644,461.20 and 23,914,982.40 is: 35,872,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,429,640.80 : 108,644,461.20 = 23,914,982.40 : x
  2. Step 2: Convert to fraction form
    72,429,640.80/108,644,461.20 = 23,914,982.40/x
  3. Step 3: Cross multiply
    72,429,640.80x = 108,644,461.20 × 23,914,982.40
  4. Step 4: Simplify right side
    72,429,640.80x = 2,598,230,377,455,483
  5. Step 5: Solve for x
    x = 2,598,230,377,455,483/72,429,640.80
  6. Step 6: Final answer
    x = 35,872,473.60

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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.