Home / 119,894,962.83-165,458,272.78-72,836,026.30

Finding the Fourth Proportional to 119,894,962.83, 165,458,272.78 and 72,836,026.30

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Solution

The fourth proportional to 119,894,962.83, 165,458,272.78 and 72,836,026.30 is: 100,515,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,894,962.83 : 165,458,272.78 = 72,836,026.30 : x
  2. Step 2: Convert to fraction form
    119,894,962.83/165,458,272.78 = 72,836,026.30/x
  3. Step 3: Cross multiply
    119,894,962.83x = 165,458,272.78 × 72,836,026.30
  4. Step 4: Simplify right side
    119,894,962.83x = 12,051,323,107,644,456
  5. Step 5: Solve for x
    x = 12,051,323,107,644,456/119,894,962.83
  6. Step 6: Final answer
    x = 100,515,674.92

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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.