Home / 147,120,004.80-220,680,007.20-124,161,753.60

Finding the Fourth Proportional to 147,120,004.80, 220,680,007.20 and 124,161,753.60

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Solution

The fourth proportional to 147,120,004.80, 220,680,007.20 and 124,161,753.60 is: 186,242,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,120,004.80 : 220,680,007.20 = 124,161,753.60 : x
  2. Step 2: Convert to fraction form
    147,120,004.80/220,680,007.20 = 124,161,753.60/x
  3. Step 3: Cross multiply
    147,120,004.80x = 220,680,007.20 × 124,161,753.60
  4. Step 4: Simplify right side
    147,120,004.80x = 27,400,016,678,412,624
  5. Step 5: Solve for x
    x = 27,400,016,678,412,624/147,120,004.80
  6. Step 6: Final answer
    x = 186,242,630.40

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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.