Home / 67,115,654.64-100,609,699.32-42,786,300.24

Finding the Fourth Proportional to 67,115,654.64, 100,609,699.32 and 42,786,300.24

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Solution

The fourth proportional to 67,115,654.64, 100,609,699.32 and 42,786,300.24 is: 64,138,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115,654.64 : 100,609,699.32 = 42,786,300.24 : x
  2. Step 2: Convert to fraction form
    67,115,654.64/100,609,699.32 = 42,786,300.24/x
  3. Step 3: Cross multiply
    67,115,654.64x = 100,609,699.32 × 42,786,300.24
  4. Step 4: Simplify right side
    67,115,654.64x = 4,304,716,802,161,643.50
  5. Step 5: Solve for x
    x = 4,304,716,802,161,643.50/67,115,654.64
  6. Step 6: Final answer
    x = 64,138,788.86

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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.