Home / 185,761,385.40-278,642,078.10-99,667,943.40

Finding the Fourth Proportional to 185,761,385.40, 278,642,078.10 and 99,667,943.40

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Solution

The fourth proportional to 185,761,385.40, 278,642,078.10 and 99,667,943.40 is: 149,501,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,761,385.40 : 278,642,078.10 = 99,667,943.40 : x
  2. Step 2: Convert to fraction form
    185,761,385.40/278,642,078.10 = 99,667,943.40/x
  3. Step 3: Cross multiply
    185,761,385.40x = 278,642,078.10 × 99,667,943.40
  4. Step 4: Simplify right side
    185,761,385.40x = 27,771,682,868,929,184
  5. Step 5: Solve for x
    x = 27,771,682,868,929,184/185,761,385.40
  6. Step 6: Final answer
    x = 149,501,915.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.