Home / 111,143,951.66-153,378,502.39-61,587,534.95

Finding the Fourth Proportional to 111,143,951.66, 153,378,502.39 and 61,587,534.95

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Solution

The fourth proportional to 111,143,951.66, 153,378,502.39 and 61,587,534.95 is: 84,990,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,143,951.66 : 153,378,502.39 = 61,587,534.95 : x
  2. Step 2: Convert to fraction form
    111,143,951.66/153,378,502.39 = 61,587,534.95/x
  3. Step 3: Cross multiply
    111,143,951.66x = 153,378,502.39 × 61,587,534.95
  4. Step 4: Simplify right side
    111,143,951.66x = 9,446,203,876,408,046
  5. Step 5: Solve for x
    x = 9,446,203,876,408,046/111,143,951.66
  6. Step 6: Final answer
    x = 84,990,714.61

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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.