Home / 130,434,484.30-179,998,527.31-71,696,524.91

Finding the Fourth Proportional to 130,434,484.30, 179,998,527.31 and 71,696,524.91

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Solution

The fourth proportional to 130,434,484.30, 179,998,527.31 and 71,696,524.91 is: 98,940,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,434,484.30 : 179,998,527.31 = 71,696,524.91 : x
  2. Step 2: Convert to fraction form
    130,434,484.30/179,998,527.31 = 71,696,524.91/x
  3. Step 3: Cross multiply
    130,434,484.30x = 179,998,527.31 × 71,696,524.91
  4. Step 4: Simplify right side
    130,434,484.30x = 12,905,268,895,965,496
  5. Step 5: Solve for x
    x = 12,905,268,895,965,496/130,434,484.30
  6. Step 6: Final answer
    x = 98,940,621.15

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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.