Home / 92,015,998.80-138,023,998.20-28,182,296.40

Finding the Fourth Proportional to 92,015,998.80, 138,023,998.20 and 28,182,296.40

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Solution

The fourth proportional to 92,015,998.80, 138,023,998.20 and 28,182,296.40 is: 42,273,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,015,998.80 : 138,023,998.20 = 28,182,296.40 : x
  2. Step 2: Convert to fraction form
    92,015,998.80/138,023,998.20 = 28,182,296.40/x
  3. Step 3: Cross multiply
    92,015,998.80x = 138,023,998.20 × 28,182,296.40
  4. Step 4: Simplify right side
    92,015,998.80x = 3,889,833,227,585,466
  5. Step 5: Solve for x
    x = 3,889,833,227,585,466/92,015,998.80
  6. Step 6: Final answer
    x = 42,273,444.60

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1.5x scale

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.