Home / 223,548,538.61-308,496,998.11-124,427,158.80

Finding the Fourth Proportional to 223,548,538.61, 308,496,998.11 and 124,427,158.80

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Solution

The fourth proportional to 223,548,538.61, 308,496,998.11 and 124,427,158.80 is: 171,709,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,548,538.61 : 308,496,998.11 = 124,427,158.80 : x
  2. Step 2: Convert to fraction form
    223,548,538.61/308,496,998.11 = 124,427,158.80/x
  3. Step 3: Cross multiply
    223,548,538.61x = 308,496,998.11 × 124,427,158.80
  4. Step 4: Simplify right side
    223,548,538.61x = 38,385,404,972,845,200
  5. Step 5: Solve for x
    x = 38,385,404,972,845,200/223,548,538.61
  6. Step 6: Final answer
    x = 171,709,487.40

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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.