Home / 185,583,154.80-278,374,732.20-156,021,913.20

Finding the Fourth Proportional to 185,583,154.80, 278,374,732.20 and 156,021,913.20

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Solution

The fourth proportional to 185,583,154.80, 278,374,732.20 and 156,021,913.20 is: 234,032,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,583,154.80 : 278,374,732.20 = 156,021,913.20 : x
  2. Step 2: Convert to fraction form
    185,583,154.80/278,374,732.20 = 156,021,913.20/x
  3. Step 3: Cross multiply
    185,583,154.80x = 278,374,732.20 × 156,021,913.20
  4. Step 4: Simplify right side
    185,583,154.80x = 43,432,558,304,381,640
  5. Step 5: Solve for x
    x = 43,432,558,304,381,640/185,583,154.80
  6. Step 6: Final answer
    x = 234,032,869.80

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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.