Home / 78,096,402.21-107,770,699.34-42,813,000.59

Finding the Fourth Proportional to 78,096,402.21, 107,770,699.34 and 42,813,000.59

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Solution

The fourth proportional to 78,096,402.21, 107,770,699.34 and 42,813,000.59 is: 59,080,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,096,402.21 : 107,770,699.34 = 42,813,000.59 : x
  2. Step 2: Convert to fraction form
    78,096,402.21/107,770,699.34 = 42,813,000.59/x
  3. Step 3: Cross multiply
    78,096,402.21x = 107,770,699.34 × 42,813,000.59
  4. Step 4: Simplify right side
    78,096,402.21x = 4,613,987,013,675,214
  5. Step 5: Solve for x
    x = 4,613,987,013,675,214/78,096,402.21
  6. Step 6: Final answer
    x = 59,080,660.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.