Home / 72,183,957.40-108,275,936.10-43,486,143.40

Finding the Fourth Proportional to 72,183,957.40, 108,275,936.10 and 43,486,143.40

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Solution

The fourth proportional to 72,183,957.40, 108,275,936.10 and 43,486,143.40 is: 65,229,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,957.40 : 108,275,936.10 = 43,486,143.40 : x
  2. Step 2: Convert to fraction form
    72,183,957.40/108,275,936.10 = 43,486,143.40/x
  3. Step 3: Cross multiply
    72,183,957.40x = 108,275,936.10 × 43,486,143.40
  4. Step 4: Simplify right side
    72,183,957.40x = 4,708,502,884,013,836
  5. Step 5: Solve for x
    x = 4,708,502,884,013,836/72,183,957.40
  6. Step 6: Final answer
    x = 65,229,215.10

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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.