Home / 223,856,521.02-308,918,858.83-124,741,445.92

Finding the Fourth Proportional to 223,856,521.02, 308,918,858.83 and 124,741,445.92

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Solution

The fourth proportional to 223,856,521.02, 308,918,858.83 and 124,741,445.92 is: 172,141,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,856,521.02 : 308,918,858.83 = 124,741,445.92 : x
  2. Step 2: Convert to fraction form
    223,856,521.02/308,918,858.83 = 124,741,445.92/x
  3. Step 3: Cross multiply
    223,856,521.02x = 308,918,858.83 × 124,741,445.92
  4. Step 4: Simplify right side
    223,856,521.02x = 38,534,985,121,326,408
  5. Step 5: Solve for x
    x = 38,534,985,121,326,408/223,856,521.02
  6. Step 6: Final answer
    x = 172,141,445.54

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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.