Home / 65,739,353.64-90,749,366.46-39,287,042.52

Finding the Fourth Proportional to 65,739,353.64, 90,749,366.46 and 39,287,042.52

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Solution

The fourth proportional to 65,739,353.64, 90,749,366.46 and 39,287,042.52 is: 54,233,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739,353.64 : 90,749,366.46 = 39,287,042.52 : x
  2. Step 2: Convert to fraction form
    65,739,353.64/90,749,366.46 = 39,287,042.52/x
  3. Step 3: Cross multiply
    65,739,353.64x = 90,749,366.46 × 39,287,042.52
  4. Step 4: Simplify right side
    65,739,353.64x = 3,565,274,218,777,082
  5. Step 5: Solve for x
    x = 3,565,274,218,777,082/65,739,353.64
  6. Step 6: Final answer
    x = 54,233,484.53

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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.