Home / 315,070,422.30-472,393,057.05-151,386,594.30

Finding the Fourth Proportional to 315,070,422.30, 472,393,057.05 and 151,386,594.30

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Solution

The fourth proportional to 315,070,422.30, 472,393,057.05 and 151,386,594.30 is: 226,977,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,070,422.30 : 472,393,057.05 = 151,386,594.30 : x
  2. Step 2: Convert to fraction form
    315,070,422.30/472,393,057.05 = 151,386,594.30/x
  3. Step 3: Cross multiply
    315,070,422.30x = 472,393,057.05 × 151,386,594.30
  4. Step 4: Simplify right side
    315,070,422.30x = 71,513,976,077,765,112
  5. Step 5: Solve for x
    x = 71,513,976,077,765,112/315,070,422.30
  6. Step 6: Final answer
    x = 226,977,751.69

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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.