Home / 135,350,801.19-186,787,075.20-82,429,989.03

Finding the Fourth Proportional to 135,350,801.19, 186,787,075.20 and 82,429,989.03

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Solution

The fourth proportional to 135,350,801.19, 186,787,075.20 and 82,429,989.03 is: 113,755,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,350,801.19 : 186,787,075.20 = 82,429,989.03 : x
  2. Step 2: Convert to fraction form
    135,350,801.19/186,787,075.20 = 82,429,989.03/x
  3. Step 3: Cross multiply
    135,350,801.19x = 186,787,075.20 × 82,429,989.03
  4. Step 4: Simplify right side
    135,350,801.19x = 15,396,856,559,681,784
  5. Step 5: Solve for x
    x = 15,396,856,559,681,784/135,350,801.19
  6. Step 6: Final answer
    x = 113,755,193.35

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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.