Home / 185,948,358.84-256,024,627.56-158,012,145.72

Finding the Fourth Proportional to 185,948,358.84, 256,024,627.56 and 158,012,145.72

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Solution

The fourth proportional to 185,948,358.84, 256,024,627.56 and 158,012,145.72 is: 217,560,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,948,358.84 : 256,024,627.56 = 158,012,145.72 : x
  2. Step 2: Convert to fraction form
    185,948,358.84/256,024,627.56 = 158,012,145.72/x
  3. Step 3: Cross multiply
    185,948,358.84x = 256,024,627.56 × 158,012,145.72
  4. Step 4: Simplify right side
    185,948,358.84x = 40,455,000,757,919,448
  5. Step 5: Solve for x
    x = 40,455,000,757,919,448/185,948,358.84
  6. Step 6: Final answer
    x = 217,560,407.69

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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.