Home / 99,164,048.80-148,746,073.20-68,930,960.80

Finding the Fourth Proportional to 99,164,048.80, 148,746,073.20 and 68,930,960.80

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Solution

The fourth proportional to 99,164,048.80, 148,746,073.20 and 68,930,960.80 is: 103,396,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164,048.80 : 148,746,073.20 = 68,930,960.80 : x
  2. Step 2: Convert to fraction form
    99,164,048.80/148,746,073.20 = 68,930,960.80/x
  3. Step 3: Cross multiply
    99,164,048.80x = 148,746,073.20 × 68,930,960.80
  4. Step 4: Simplify right side
    99,164,048.80x = 10,253,209,740,903,130
  5. Step 5: Solve for x
    x = 10,253,209,740,903,130/99,164,048.80
  6. Step 6: Final answer
    x = 103,396,441.20

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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.