Home / 278,818,311.60-418,227,467.40-97,005,063.60

Finding the Fourth Proportional to 278,818,311.60, 418,227,467.40 and 97,005,063.60

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Solution

The fourth proportional to 278,818,311.60, 418,227,467.40 and 97,005,063.60 is: 145,507,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,818,311.60 : 418,227,467.40 = 97,005,063.60 : x
  2. Step 2: Convert to fraction form
    278,818,311.60/418,227,467.40 = 97,005,063.60/x
  3. Step 3: Cross multiply
    278,818,311.60x = 418,227,467.40 × 97,005,063.60
  4. Step 4: Simplify right side
    278,818,311.60x = 40,570,182,074,403,920
  5. Step 5: Solve for x
    x = 40,570,182,074,403,920/278,818,311.60
  6. Step 6: Final answer
    x = 145,507,595.40

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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.