Home / 99,143,998.80-148,715,998.20-53,227,496.40

Finding the Fourth Proportional to 99,143,998.80, 148,715,998.20 and 53,227,496.40

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Solution

The fourth proportional to 99,143,998.80, 148,715,998.20 and 53,227,496.40 is: 79,841,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,998.80 : 148,715,998.20 = 53,227,496.40 : x
  2. Step 2: Convert to fraction form
    99,143,998.80/148,715,998.20 = 53,227,496.40/x
  3. Step 3: Cross multiply
    99,143,998.80x = 148,715,998.20 × 53,227,496.40
  4. Step 4: Simplify right side
    99,143,998.80x = 7,915,780,258,812,906
  5. Step 5: Solve for x
    x = 7,915,780,258,812,906/99,143,998.80
  6. Step 6: Final answer
    x = 79,841,244.60

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1.5x scale

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.