Home / 126,369,677.80-189,554,516.70-109,363,565.80

Finding the Fourth Proportional to 126,369,677.80, 189,554,516.70 and 109,363,565.80

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Solution

The fourth proportional to 126,369,677.80, 189,554,516.70 and 109,363,565.80 is: 164,045,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,369,677.80 : 189,554,516.70 = 109,363,565.80 : x
  2. Step 2: Convert to fraction form
    126,369,677.80/189,554,516.70 = 109,363,565.80/x
  3. Step 3: Cross multiply
    126,369,677.80x = 189,554,516.70 × 109,363,565.80
  4. Step 4: Simplify right side
    126,369,677.80x = 20,730,357,859,807,648
  5. Step 5: Solve for x
    x = 20,730,357,859,807,648/126,369,677.80
  6. Step 6: Final answer
    x = 164,045,348.70

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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.