Home / 117,211,043.40-175,816,565.10-80,931,337.80

Finding the Fourth Proportional to 117,211,043.40, 175,816,565.10 and 80,931,337.80

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Solution

The fourth proportional to 117,211,043.40, 175,816,565.10 and 80,931,337.80 is: 121,397,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,211,043.40 : 175,816,565.10 = 80,931,337.80 : x
  2. Step 2: Convert to fraction form
    117,211,043.40/175,816,565.10 = 80,931,337.80/x
  3. Step 3: Cross multiply
    117,211,043.40x = 175,816,565.10 × 80,931,337.80
  4. Step 4: Simplify right side
    117,211,043.40x = 14,229,069,820,943,790
  5. Step 5: Solve for x
    x = 14,229,069,820,943,790/117,211,043.40
  6. Step 6: Final answer
    x = 121,397,006.70

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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.