Home / 185,791,066.38-256,013,880.12-143,719,649.82

Finding the Fourth Proportional to 185,791,066.38, 256,013,880.12 and 143,719,649.82

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Solution

The fourth proportional to 185,791,066.38, 256,013,880.12 and 143,719,649.82 is: 198,040,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,791,066.38 : 256,013,880.12 = 143,719,649.82 : x
  2. Step 2: Convert to fraction form
    185,791,066.38/256,013,880.12 = 143,719,649.82/x
  3. Step 3: Cross multiply
    185,791,066.38x = 256,013,880.12 × 143,719,649.82
  4. Step 4: Simplify right side
    185,791,066.38x = 36,794,225,199,905,856
  5. Step 5: Solve for x
    x = 36,794,225,199,905,856/185,791,066.38
  6. Step 6: Final answer
    x = 198,040,874.18

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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.