Home / 151,715,254.20-209,344,528.92-92,145,551.37

Finding the Fourth Proportional to 151,715,254.20, 209,344,528.92 and 92,145,551.37

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Solution

The fourth proportional to 151,715,254.20, 209,344,528.92 and 92,145,551.37 is: 127,147,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715,254.20 : 209,344,528.92 = 92,145,551.37 : x
  2. Step 2: Convert to fraction form
    151,715,254.20/209,344,528.92 = 92,145,551.37/x
  3. Step 3: Cross multiply
    151,715,254.20x = 209,344,528.92 × 92,145,551.37
  4. Step 4: Simplify right side
    151,715,254.20x = 19,290,167,043,626,312
  5. Step 5: Solve for x
    x = 19,290,167,043,626,312/151,715,254.20
  6. Step 6: Final answer
    x = 127,147,182.04

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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.