Home / 215,445,117.20-323,167,675.80-149,688,150.80

Finding the Fourth Proportional to 215,445,117.20, 323,167,675.80 and 149,688,150.80

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Solution

The fourth proportional to 215,445,117.20, 323,167,675.80 and 149,688,150.80 is: 224,532,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,445,117.20 : 323,167,675.80 = 149,688,150.80 : x
  2. Step 2: Convert to fraction form
    215,445,117.20/323,167,675.80 = 149,688,150.80/x
  3. Step 3: Cross multiply
    215,445,117.20x = 323,167,675.80 × 149,688,150.80
  4. Step 4: Simplify right side
    215,445,117.20x = 48,374,371,788,835,920
  5. Step 5: Solve for x
    x = 48,374,371,788,835,920/215,445,117.20
  6. Step 6: Final answer
    x = 224,532,226.20

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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.