Home / 77,278,369.60-115,818,021.60-59,238,049.60

Finding the Fourth Proportional to 77,278,369.60, 115,818,021.60 and 59,238,049.60

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Solution

The fourth proportional to 77,278,369.60, 115,818,021.60 and 59,238,049.60 is: 88,780,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278,369.60 : 115,818,021.60 = 59,238,049.60 : x
  2. Step 2: Convert to fraction form
    77,278,369.60/115,818,021.60 = 59,238,049.60/x
  3. Step 3: Cross multiply
    77,278,369.60x = 115,818,021.60 × 59,238,049.60
  4. Step 4: Simplify right side
    77,278,369.60x = 6,860,833,708,114,671
  5. Step 5: Solve for x
    x = 6,860,833,708,114,671/77,278,369.60
  6. Step 6: Final answer
    x = 88,780,777.13

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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.