Home / 66,871,597.92-92,292,892.22-40,781,249.55

Finding the Fourth Proportional to 66,871,597.92, 92,292,892.22 and 40,781,249.55

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Solution

The fourth proportional to 66,871,597.92, 92,292,892.22 and 40,781,249.55 is: 56,284,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,871,597.92 : 92,292,892.22 = 40,781,249.55 : x
  2. Step 2: Convert to fraction form
    66,871,597.92/92,292,892.22 = 40,781,249.55/x
  3. Step 3: Cross multiply
    66,871,597.92x = 92,292,892.22 × 40,781,249.55
  4. Step 4: Simplify right side
    66,871,597.92x = 3,763,819,469,417,026
  5. Step 5: Solve for x
    x = 3,763,819,469,417,026/66,871,597.92
  6. Step 6: Final answer
    x = 56,284,275.94

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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.