Home / 156,129,152.28-215,387,574.30-94,229,703.96

Finding the Fourth Proportional to 156,129,152.28, 215,387,574.30 and 94,229,703.96

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Solution

The fourth proportional to 156,129,152.28, 215,387,574.30 and 94,229,703.96 is: 129,994,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,129,152.28 : 215,387,574.30 = 94,229,703.96 : x
  2. Step 2: Convert to fraction form
    156,129,152.28/215,387,574.30 = 94,229,703.96/x
  3. Step 3: Cross multiply
    156,129,152.28x = 215,387,574.30 × 94,229,703.96
  4. Step 4: Simplify right side
    156,129,152.28x = 20,295,907,362,951,504
  5. Step 5: Solve for x
    x = 20,295,907,362,951,504/156,129,152.28
  6. Step 6: Final answer
    x = 129,994,348.05

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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.