Home / 196,328,607.92-270,931,946.28-107,020,340.72

Finding the Fourth Proportional to 196,328,607.92, 270,931,946.28 and 107,020,340.72

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Solution

The fourth proportional to 196,328,607.92, 270,931,946.28 and 107,020,340.72 is: 147,687,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,328,607.92 : 270,931,946.28 = 107,020,340.72 : x
  2. Step 2: Convert to fraction form
    196,328,607.92/270,931,946.28 = 107,020,340.72/x
  3. Step 3: Cross multiply
    196,328,607.92x = 270,931,946.28 × 107,020,340.72
  4. Step 4: Simplify right side
    196,328,607.92x = 28,995,229,202,818,332
  5. Step 5: Solve for x
    x = 28,995,229,202,818,332/196,328,607.92
  6. Step 6: Final answer
    x = 147,687,234.73

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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.