Home / 135,488,912.19-186,971,059.17-79,737,612.93

Finding the Fourth Proportional to 135,488,912.19, 186,971,059.17 and 79,737,612.93

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Solution

The fourth proportional to 135,488,912.19, 186,971,059.17 and 79,737,612.93 is: 110,035,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,488,912.19 : 186,971,059.17 = 79,737,612.93 : x
  2. Step 2: Convert to fraction form
    135,488,912.19/186,971,059.17 = 79,737,612.93/x
  3. Step 3: Cross multiply
    135,488,912.19x = 186,971,059.17 × 79,737,612.93
  4. Step 4: Simplify right side
    135,488,912.19x = 14,908,625,945,209,588
  5. Step 5: Solve for x
    x = 14,908,625,945,209,588/135,488,912.19
  6. Step 6: Final answer
    x = 110,035,763.84

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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.