Home / 215,674,115.40-323,511,173.10-194,175,030.60

Finding the Fourth Proportional to 215,674,115.40, 323,511,173.10 and 194,175,030.60

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Solution

The fourth proportional to 215,674,115.40, 323,511,173.10 and 194,175,030.60 is: 291,262,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,674,115.40 : 323,511,173.10 = 194,175,030.60 : x
  2. Step 2: Convert to fraction form
    215,674,115.40/323,511,173.10 = 194,175,030.60/x
  3. Step 3: Cross multiply
    215,674,115.40x = 323,511,173.10 × 194,175,030.60
  4. Step 4: Simplify right side
    215,674,115.40x = 62,817,791,936,134,400
  5. Step 5: Solve for x
    x = 62,817,791,936,134,400/215,674,115.40
  6. Step 6: Final answer
    x = 291,262,545.90

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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.