Home / 77,162,314.34-106,435,557.96-45,778,143.85

Finding the Fourth Proportional to 77,162,314.34, 106,435,557.96 and 45,778,143.85

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Solution

The fourth proportional to 77,162,314.34, 106,435,557.96 and 45,778,143.85 is: 63,145,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162,314.34 : 106,435,557.96 = 45,778,143.85 : x
  2. Step 2: Convert to fraction form
    77,162,314.34/106,435,557.96 = 45,778,143.85/x
  3. Step 3: Cross multiply
    77,162,314.34x = 106,435,557.96 × 45,778,143.85
  4. Step 4: Simplify right side
    77,162,314.34x = 4,872,422,283,047,892
  5. Step 5: Solve for x
    x = 4,872,422,283,047,892/77,162,314.34
  6. Step 6: Final answer
    x = 63,145,102.95

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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.