Home / 92,030,505.30-138,045,757.95-86,361,801.30

Finding the Fourth Proportional to 92,030,505.30, 138,045,757.95 and 86,361,801.30

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Solution

The fourth proportional to 92,030,505.30, 138,045,757.95 and 86,361,801.30 is: 129,542,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,030,505.30 : 138,045,757.95 = 86,361,801.30 : x
  2. Step 2: Convert to fraction form
    92,030,505.30/138,045,757.95 = 86,361,801.30/x
  3. Step 3: Cross multiply
    92,030,505.30x = 138,045,757.95 × 86,361,801.30
  4. Step 4: Simplify right side
    92,030,505.30x = 11,921,880,318,385,794
  5. Step 5: Solve for x
    x = 11,921,880,318,385,794/92,030,505.30
  6. Step 6: Final answer
    x = 129,542,701.95

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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.