Home / 99,164,117.80-148,746,176.70-68,931,029.80

Finding the Fourth Proportional to 99,164,117.80, 148,746,176.70 and 68,931,029.80

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Solution

The fourth proportional to 99,164,117.80, 148,746,176.70 and 68,931,029.80 is: 103,396,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164,117.80 : 148,746,176.70 = 68,931,029.80 : x
  2. Step 2: Convert to fraction form
    99,164,117.80/148,746,176.70 = 68,931,029.80/x
  3. Step 3: Cross multiply
    99,164,117.80x = 148,746,176.70 × 68,931,029.80
  4. Step 4: Simplify right side
    99,164,117.80x = 10,253,227,138,743,764
  5. Step 5: Solve for x
    x = 10,253,227,138,743,764/99,164,117.80
  6. Step 6: Final answer
    x = 103,396,544.70

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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.