Home / 77,278,370.60-115,818,023.10-59,238,050.60

Finding the Fourth Proportional to 77,278,370.60, 115,818,023.10 and 59,238,050.60

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Solution

The fourth proportional to 77,278,370.60, 115,818,023.10 and 59,238,050.60 is: 88,780,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278,370.60 : 115,818,023.10 = 59,238,050.60 : x
  2. Step 2: Convert to fraction form
    77,278,370.60/115,818,023.10 = 59,238,050.60/x
  3. Step 3: Cross multiply
    77,278,370.60x = 115,818,023.10 × 59,238,050.60
  4. Step 4: Simplify right side
    77,278,370.60x = 6,860,833,912,789,769
  5. Step 5: Solve for x
    x = 6,860,833,912,789,769/77,278,370.60
  6. Step 6: Final answer
    x = 88,780,778.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.