Home / 178,480,856-246,303,585.12-101,218,520

Finding the Fourth Proportional to 178,480,856, 246,303,585.12 and 101,218,520

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Solution

The fourth proportional to 178,480,856, 246,303,585.12 and 101,218,520 is: 139,681,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,480,856 : 246,303,585.12 = 101,218,520 : x
  2. Step 2: Convert to fraction form
    178,480,856/246,303,585.12 = 101,218,520/x
  3. Step 3: Cross multiply
    178,480,856x = 246,303,585.12 × 101,218,520
  4. Step 4: Simplify right side
    178,480,856x = 24,930,484,356,540,424
  5. Step 5: Solve for x
    x = 24,930,484,356,540,424/178,480,856
  6. Step 6: Final answer
    x = 139,681,559.78

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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.