Home / 65,739,355.64-90,749,369.22-39,287,044.52

Finding the Fourth Proportional to 65,739,355.64, 90,749,369.22 and 39,287,044.52

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Solution

The fourth proportional to 65,739,355.64, 90,749,369.22 and 39,287,044.52 is: 54,233,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739,355.64 : 90,749,369.22 = 39,287,044.52 : x
  2. Step 2: Convert to fraction form
    65,739,355.64/90,749,369.22 = 39,287,044.52/x
  3. Step 3: Cross multiply
    65,739,355.64x = 90,749,369.22 × 39,287,044.52
  4. Step 4: Simplify right side
    65,739,355.64x = 3,565,274,508,708,058
  5. Step 5: Solve for x
    x = 3,565,274,508,708,058/65,739,355.64
  6. Step 6: Final answer
    x = 54,233,487.29

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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.