Home / 124,716,426.59-186,979,275.25-75,521,573.12

Finding the Fourth Proportional to 124,716,426.59, 186,979,275.25 and 75,521,573.12

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Solution

The fourth proportional to 124,716,426.59, 186,979,275.25 and 75,521,573.12 is: 113,224,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,716,426.59 : 186,979,275.25 = 75,521,573.12 : x
  2. Step 2: Convert to fraction form
    124,716,426.59/186,979,275.25 = 75,521,573.12/x
  3. Step 3: Cross multiply
    124,716,426.59x = 186,979,275.25 × 75,521,573.12
  4. Step 4: Simplify right side
    124,716,426.59x = 14,120,969,007,717,482
  5. Step 5: Solve for x
    x = 14,120,969,007,717,482/124,716,426.59
  6. Step 6: Final answer
    x = 113,224,611.98

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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.