Home / 123,816,115.20-185,724,172.80-83,001,446.40

Finding the Fourth Proportional to 123,816,115.20, 185,724,172.80 and 83,001,446.40

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Solution

The fourth proportional to 123,816,115.20, 185,724,172.80 and 83,001,446.40 is: 124,502,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,816,115.20 : 185,724,172.80 = 83,001,446.40 : x
  2. Step 2: Convert to fraction form
    123,816,115.20/185,724,172.80 = 83,001,446.40/x
  3. Step 3: Cross multiply
    123,816,115.20x = 185,724,172.80 × 83,001,446.40
  4. Step 4: Simplify right side
    123,816,115.20x = 15,415,374,973,843,540
  5. Step 5: Solve for x
    x = 15,415,374,973,843,540/123,816,115.20
  6. Step 6: Final answer
    x = 124,502,169.60

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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.