Home / 156,639,680.16-215,889,138.24-114,734,717.76

Finding the Fourth Proportional to 156,639,680.16, 215,889,138.24 and 114,734,717.76

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Solution

The fourth proportional to 156,639,680.16, 215,889,138.24 and 114,734,717.76 is: 158,133,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,639,680.16 : 215,889,138.24 = 114,734,717.76 : x
  2. Step 2: Convert to fraction form
    156,639,680.16/215,889,138.24 = 114,734,717.76/x
  3. Step 3: Cross multiply
    156,639,680.16x = 215,889,138.24 × 114,734,717.76
  4. Step 4: Simplify right side
    156,639,680.16x = 24,769,979,343,416,024
  5. Step 5: Solve for x
    x = 24,769,979,343,416,024/156,639,680.16
  6. Step 6: Final answer
    x = 158,133,490.30

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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.