Home / 98,923,671.45-136,514,229.29-56,536,523.74

Finding the Fourth Proportional to 98,923,671.45, 136,514,229.29 and 56,536,523.74

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Solution

The fourth proportional to 98,923,671.45, 136,514,229.29 and 56,536,523.74 is: 78,020,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,923,671.45 : 136,514,229.29 = 56,536,523.74 : x
  2. Step 2: Convert to fraction form
    98,923,671.45/136,514,229.29 = 56,536,523.74/x
  3. Step 3: Cross multiply
    98,923,671.45x = 136,514,229.29 × 56,536,523.74
  4. Step 4: Simplify right side
    98,923,671.45x = 7,718,039,964,901,943
  5. Step 5: Solve for x
    x = 7,718,039,964,901,943/98,923,671.45
  6. Step 6: Final answer
    x = 78,020,152.83

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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.