Home / 543,017,856.70-814,526,785.05-134,074,007.20

Finding the Fourth Proportional to 543,017,856.70, 814,526,785.05 and 134,074,007.20

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Solution

The fourth proportional to 543,017,856.70, 814,526,785.05 and 134,074,007.20 is: 201,111,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,017,856.70 : 814,526,785.05 = 134,074,007.20 : x
  2. Step 2: Convert to fraction form
    543,017,856.70/814,526,785.05 = 134,074,007.20/x
  3. Step 3: Cross multiply
    543,017,856.70x = 814,526,785.05 × 134,074,007.20
  4. Step 4: Simplify right side
    543,017,856.70x = 109,206,870,043,386,544
  5. Step 5: Solve for x
    x = 109,206,870,043,386,544/543,017,856.70
  6. Step 6: Final answer
    x = 201,111,010.80

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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.