Home / 117,318,726.68-162,034,211.95-77,263,778.54

Finding the Fourth Proportional to 117,318,726.68, 162,034,211.95 and 77,263,778.54

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Solution

The fourth proportional to 117,318,726.68, 162,034,211.95 and 77,263,778.54 is: 106,712,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,318,726.68 : 162,034,211.95 = 77,263,778.54 : x
  2. Step 2: Convert to fraction form
    117,318,726.68/162,034,211.95 = 77,263,778.54/x
  3. Step 3: Cross multiply
    117,318,726.68x = 162,034,211.95 × 77,263,778.54
  4. Step 4: Simplify right side
    117,318,726.68x = 12,519,375,468,220,148
  5. Step 5: Solve for x
    x = 12,519,375,468,220,148/117,318,726.68
  6. Step 6: Final answer
    x = 106,712,507.23

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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.