Home / 143,862,538.72-198,548,486.40-94,344,572.20

Finding the Fourth Proportional to 143,862,538.72, 198,548,486.40 and 94,344,572.20

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Solution

The fourth proportional to 143,862,538.72, 198,548,486.40 and 94,344,572.20 is: 130,207,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,862,538.72 : 198,548,486.40 = 94,344,572.20 : x
  2. Step 2: Convert to fraction form
    143,862,538.72/198,548,486.40 = 94,344,572.20/x
  3. Step 3: Cross multiply
    143,862,538.72x = 198,548,486.40 × 94,344,572.20
  4. Step 4: Simplify right side
    143,862,538.72x = 18,731,972,010,365,520
  5. Step 5: Solve for x
    x = 18,731,972,010,365,520/143,862,538.72
  6. Step 6: Final answer
    x = 130,207,433.96

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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.