Home / 106,931,937.28-160,195,891.20-82,879,651.84

Finding the Fourth Proportional to 106,931,937.28, 160,195,891.20 and 82,879,651.84

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Solution

The fourth proportional to 106,931,937.28, 160,195,891.20 and 82,879,651.84 is: 124,162,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931,937.28 : 160,195,891.20 = 82,879,651.84 : x
  2. Step 2: Convert to fraction form
    106,931,937.28/160,195,891.20 = 82,879,651.84/x
  3. Step 3: Cross multiply
    106,931,937.28x = 160,195,891.20 × 82,879,651.84
  4. Step 4: Simplify right side
    106,931,937.28x = 13,276,979,688,854,520
  5. Step 5: Solve for x
    x = 13,276,979,688,854,520/106,931,937.28
  6. Step 6: Final answer
    x = 124,162,902.37

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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.