Home / 410,953,931.53-616,368,613.55-111,846,165.61

Finding the Fourth Proportional to 410,953,931.53, 616,368,613.55 and 111,846,165.61

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Solution

The fourth proportional to 410,953,931.53, 616,368,613.55 and 111,846,165.61 is: 167,752,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,953,931.53 : 616,368,613.55 = 111,846,165.61 : x
  2. Step 2: Convert to fraction form
    410,953,931.53/616,368,613.55 = 111,846,165.61/x
  3. Step 3: Cross multiply
    410,953,931.53x = 616,368,613.55 × 111,846,165.61
  4. Step 4: Simplify right side
    410,953,931.53x = 68,938,466,027,919,384
  5. Step 5: Solve for x
    x = 68,938,466,027,919,384/410,953,931.53
  6. Step 6: Final answer
    x = 167,752,297.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.