Home / 100,850,843.52-139,177,876.32-56,200,827.96

Finding the Fourth Proportional to 100,850,843.52, 139,177,876.32 and 56,200,827.96

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Solution

The fourth proportional to 100,850,843.52, 139,177,876.32 and 56,200,827.96 is: 77,559,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,850,843.52 : 139,177,876.32 = 56,200,827.96 : x
  2. Step 2: Convert to fraction form
    100,850,843.52/139,177,876.32 = 56,200,827.96/x
  3. Step 3: Cross multiply
    100,850,843.52x = 139,177,876.32 × 56,200,827.96
  4. Step 4: Simplify right side
    100,850,843.52x = 7,821,911,882,898,478
  5. Step 5: Solve for x
    x = 7,821,911,882,898,478/100,850,843.52
  6. Step 6: Final answer
    x = 77,559,211.31

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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.