Home / 100,925,561.22-139,277,253.02-54,515,815.59

Finding the Fourth Proportional to 100,925,561.22, 139,277,253.02 and 54,515,815.59

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Solution

The fourth proportional to 100,925,561.22, 139,277,253.02 and 54,515,815.59 is: 75,231,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,925,561.22 : 139,277,253.02 = 54,515,815.59 : x
  2. Step 2: Convert to fraction form
    100,925,561.22/139,277,253.02 = 54,515,815.59/x
  3. Step 3: Cross multiply
    100,925,561.22x = 139,277,253.02 × 54,515,815.59
  4. Step 4: Simplify right side
    100,925,561.22x = 7,592,813,041,769,800
  5. Step 5: Solve for x
    x = 7,592,813,041,769,800/100,925,561.22
  6. Step 6: Final answer
    x = 75,231,813.93

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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.