Home / 161,904,474.48-223,429,947.52-88,565,617.20

Finding the Fourth Proportional to 161,904,474.48, 223,429,947.52 and 88,565,617.20

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Solution

The fourth proportional to 161,904,474.48, 223,429,947.52 and 88,565,617.20 is: 122,221,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,904,474.48 : 223,429,947.52 = 88,565,617.20 : x
  2. Step 2: Convert to fraction form
    161,904,474.48/223,429,947.52 = 88,565,617.20/x
  3. Step 3: Cross multiply
    161,904,474.48x = 223,429,947.52 × 88,565,617.20
  4. Step 4: Simplify right side
    161,904,474.48x = 19,788,211,203,072,412
  5. Step 5: Solve for x
    x = 19,788,211,203,072,412/161,904,474.48
  6. Step 6: Final answer
    x = 122,221,521.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.