Home / 472,572,030.80-708,858,046.20-127,525,104.20

Finding the Fourth Proportional to 472,572,030.80, 708,858,046.20 and 127,525,104.20

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Solution

The fourth proportional to 472,572,030.80, 708,858,046.20 and 127,525,104.20 is: 191,287,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,572,030.80 : 708,858,046.20 = 127,525,104.20 : x
  2. Step 2: Convert to fraction form
    472,572,030.80/708,858,046.20 = 127,525,104.20/x
  3. Step 3: Cross multiply
    472,572,030.80x = 708,858,046.20 × 127,525,104.20
  4. Step 4: Simplify right side
    472,572,030.80x = 90,397,196,204,663,424
  5. Step 5: Solve for x
    x = 90,397,196,204,663,424/472,572,030.80
  6. Step 6: Final answer
    x = 191,287,656.30

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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.