Home / 65,739,340.64-90,749,348.52-39,287,029.52

Finding the Fourth Proportional to 65,739,340.64, 90,749,348.52 and 39,287,029.52

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Solution

The fourth proportional to 65,739,340.64, 90,749,348.52 and 39,287,029.52 is: 54,233,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739,340.64 : 90,749,348.52 = 39,287,029.52 : x
  2. Step 2: Convert to fraction form
    65,739,340.64/90,749,348.52 = 39,287,029.52/x
  3. Step 3: Cross multiply
    65,739,340.64x = 90,749,348.52 × 39,287,029.52
  4. Step 4: Simplify right side
    65,739,340.64x = 3,565,272,334,226,008.50
  5. Step 5: Solve for x
    x = 3,565,272,334,226,008.50/65,739,340.64
  6. Step 6: Final answer
    x = 54,233,466.59

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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.