Home / 67,715,312.82-93,455,109.12-40,213,241.07

Finding the Fourth Proportional to 67,715,312.82, 93,455,109.12 and 40,213,241.07

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Solution

The fourth proportional to 67,715,312.82, 93,455,109.12 and 40,213,241.07 is: 55,499,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715,312.82 : 93,455,109.12 = 40,213,241.07 : x
  2. Step 2: Convert to fraction form
    67,715,312.82/93,455,109.12 = 40,213,241.07/x
  3. Step 3: Cross multiply
    67,715,312.82x = 93,455,109.12 × 40,213,241.07
  4. Step 4: Simplify right side
    67,715,312.82x = 3,758,132,832,265,716
  5. Step 5: Solve for x
    x = 3,758,132,832,265,716/67,715,312.82
  6. Step 6: Final answer
    x = 55,499,010.13

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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.