Home / 77,278,360.10-115,818,007.35-59,238,040.10

Finding the Fourth Proportional to 77,278,360.10, 115,818,007.35 and 59,238,040.10

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Solution

The fourth proportional to 77,278,360.10, 115,818,007.35 and 59,238,040.10 is: 88,780,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278,360.10 : 115,818,007.35 = 59,238,040.10 : x
  2. Step 2: Convert to fraction form
    77,278,360.10/115,818,007.35 = 59,238,040.10/x
  3. Step 3: Cross multiply
    77,278,360.10x = 115,818,007.35 × 59,238,040.10
  4. Step 4: Simplify right side
    77,278,360.10x = 6,860,831,763,701,395
  5. Step 5: Solve for x
    x = 6,860,831,763,701,395/77,278,360.10
  6. Step 6: Final answer
    x = 88,780,762.88

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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.