Home / 185,583,144.80-278,374,717.20-156,021,903.20

Finding the Fourth Proportional to 185,583,144.80, 278,374,717.20 and 156,021,903.20

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Solution

The fourth proportional to 185,583,144.80, 278,374,717.20 and 156,021,903.20 is: 234,032,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,583,144.80 : 278,374,717.20 = 156,021,903.20 : x
  2. Step 2: Convert to fraction form
    185,583,144.80/278,374,717.20 = 156,021,903.20/x
  3. Step 3: Cross multiply
    185,583,144.80x = 278,374,717.20 × 156,021,903.20
  4. Step 4: Simplify right side
    185,583,144.80x = 43,432,553,180,305,768
  5. Step 5: Solve for x
    x = 43,432,553,180,305,768/185,583,144.80
  6. Step 6: Final answer
    x = 234,032,854.80

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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.