Home / 130,863,042.32-180,592,097.25-72,125,857.49

Finding the Fourth Proportional to 130,863,042.32, 180,592,097.25 and 72,125,857.49

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Solution

The fourth proportional to 130,863,042.32, 180,592,097.25 and 72,125,857.49 is: 99,534,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,863,042.32 : 180,592,097.25 = 72,125,857.49 : x
  2. Step 2: Convert to fraction form
    130,863,042.32/180,592,097.25 = 72,125,857.49/x
  3. Step 3: Cross multiply
    130,863,042.32x = 180,592,097.25 × 72,125,857.49
  4. Step 4: Simplify right side
    130,863,042.32x = 13,025,359,869,170,760
  5. Step 5: Solve for x
    x = 13,025,359,869,170,760/130,863,042.32
  6. Step 6: Final answer
    x = 99,534,288.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.