Home / 121,292,098.80-181,814,145.30-59,786,660.40

Finding the Fourth Proportional to 121,292,098.80, 181,814,145.30 and 59,786,660.40

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Solution

The fourth proportional to 121,292,098.80, 181,814,145.30 and 59,786,660.40 is: 89,618,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,292,098.80 : 181,814,145.30 = 59,786,660.40 : x
  2. Step 2: Convert to fraction form
    121,292,098.80/181,814,145.30 = 59,786,660.40/x
  3. Step 3: Cross multiply
    121,292,098.80x = 181,814,145.30 × 59,786,660.40
  4. Step 4: Simplify right side
    121,292,098.80x = 10,870,060,560,967,356
  5. Step 5: Solve for x
    x = 10,870,060,560,967,356/121,292,098.80
  6. Step 6: Final answer
    x = 89,618,867.75

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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.