Home / 67,143,066.30-100,708,829.82-40,875,083.76

Finding the Fourth Proportional to 67,143,066.30, 100,708,829.82 and 40,875,083.76

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Solution

The fourth proportional to 67,143,066.30, 100,708,829.82 and 40,875,083.76 is: 61,309,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,143,066.30 : 100,708,829.82 = 40,875,083.76 : x
  2. Step 2: Convert to fraction form
    67,143,066.30/100,708,829.82 = 40,875,083.76/x
  3. Step 3: Cross multiply
    67,143,066.30x = 100,708,829.82 × 40,875,083.76
  4. Step 4: Simplify right side
    67,143,066.30x = 4,116,481,854,264,085
  5. Step 5: Solve for x
    x = 4,116,481,854,264,085/67,143,066.30
  6. Step 6: Final answer
    x = 61,309,113.23

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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.