Home / 278,788,037.03-418,229,697.63-114,936,223.85

Finding the Fourth Proportional to 278,788,037.03, 418,229,697.63 and 114,936,223.85

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Solution

The fourth proportional to 278,788,037.03, 418,229,697.63 and 114,936,223.85 is: 172,423,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,788,037.03 : 418,229,697.63 = 114,936,223.85 : x
  2. Step 2: Convert to fraction form
    278,788,037.03/418,229,697.63 = 114,936,223.85/x
  3. Step 3: Cross multiply
    278,788,037.03x = 418,229,697.63 × 114,936,223.85
  4. Step 4: Simplify right side
    278,788,037.03x = 48,069,742,146,780,624
  5. Step 5: Solve for x
    x = 48,069,742,146,780,624/278,788,037.03
  6. Step 6: Final answer
    x = 172,423,977.22

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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.