Home / 112,913,178.43-155,822,873.03-63,357,217.33

Finding the Fourth Proportional to 112,913,178.43, 155,822,873.03 and 63,357,217.33

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Solution

The fourth proportional to 112,913,178.43, 155,822,873.03 and 63,357,217.33 is: 87,434,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,913,178.43 : 155,822,873.03 = 63,357,217.33 : x
  2. Step 2: Convert to fraction form
    112,913,178.43/155,822,873.03 = 63,357,217.33/x
  3. Step 3: Cross multiply
    112,913,178.43x = 155,822,873.03 × 63,357,217.33
  4. Step 4: Simplify right side
    112,913,178.43x = 9,872,503,631,229,920
  5. Step 5: Solve for x
    x = 9,872,503,631,229,920/112,913,178.43
  6. Step 6: Final answer
    x = 87,434,467.51

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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.