Home / 112,814,258.42-155,626,377.68-73,678,943.18

Finding the Fourth Proportional to 112,814,258.42, 155,626,377.68 and 73,678,943.18

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Solution

The fourth proportional to 112,814,258.42, 155,626,377.68 and 73,678,943.18 is: 101,639,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,814,258.42 : 155,626,377.68 = 73,678,943.18 : x
  2. Step 2: Convert to fraction form
    112,814,258.42/155,626,377.68 = 73,678,943.18/x
  3. Step 3: Cross multiply
    112,814,258.42x = 155,626,377.68 × 73,678,943.18
  4. Step 4: Simplify right side
    112,814,258.42x = 11,466,387,037,800,006
  5. Step 5: Solve for x
    x = 11,466,387,037,800,006/112,814,258.42
  6. Step 6: Final answer
    x = 101,639,519.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.