Home / 252,054,781.40-378,082,172.10-98,649,853.40

Finding the Fourth Proportional to 252,054,781.40, 378,082,172.10 and 98,649,853.40

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Solution

The fourth proportional to 252,054,781.40, 378,082,172.10 and 98,649,853.40 is: 147,974,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,054,781.40 : 378,082,172.10 = 98,649,853.40 : x
  2. Step 2: Convert to fraction form
    252,054,781.40/378,082,172.10 = 98,649,853.40/x
  3. Step 3: Cross multiply
    252,054,781.40x = 378,082,172.10 × 98,649,853.40
  4. Step 4: Simplify right side
    252,054,781.40x = 37,297,750,850,818,576
  5. Step 5: Solve for x
    x = 37,297,750,850,818,576/252,054,781.40
  6. Step 6: Final answer
    x = 147,974,780.10

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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.