Home / 132,868,291.10-199,302,436.65-127,128,728.30

Finding the Fourth Proportional to 132,868,291.10, 199,302,436.65 and 127,128,728.30

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Solution

The fourth proportional to 132,868,291.10, 199,302,436.65 and 127,128,728.30 is: 190,693,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,291.10 : 199,302,436.65 = 127,128,728.30 : x
  2. Step 2: Convert to fraction form
    132,868,291.10/199,302,436.65 = 127,128,728.30/x
  3. Step 3: Cross multiply
    132,868,291.10x = 199,302,436.65 × 127,128,728.30
  4. Step 4: Simplify right side
    132,868,291.10x = 25,337,065,318,405,812
  5. Step 5: Solve for x
    x = 25,337,065,318,405,812/132,868,291.10
  6. Step 6: Final answer
    x = 190,693,092.45

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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.