Home / 123,875,200.80-185,812,801.20-111,545,769.60

Finding the Fourth Proportional to 123,875,200.80, 185,812,801.20 and 111,545,769.60

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Solution

The fourth proportional to 123,875,200.80, 185,812,801.20 and 111,545,769.60 is: 167,318,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,875,200.80 : 185,812,801.20 = 111,545,769.60 : x
  2. Step 2: Convert to fraction form
    123,875,200.80/185,812,801.20 = 111,545,769.60/x
  3. Step 3: Cross multiply
    123,875,200.80x = 185,812,801.20 × 111,545,769.60
  4. Step 4: Simplify right side
    123,875,200.80x = 20,726,631,911,385,800
  5. Step 5: Solve for x
    x = 20,726,631,911,385,800/123,875,200.80
  6. Step 6: Final answer
    x = 167,318,654.40

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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.