Home / 79,921,846.61-110,292,146.97-43,252,417.61

Finding the Fourth Proportional to 79,921,846.61, 110,292,146.97 and 43,252,417.61

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Solution

The fourth proportional to 79,921,846.61, 110,292,146.97 and 43,252,417.61 is: 59,688,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921,846.61 : 110,292,146.97 = 43,252,417.61 : x
  2. Step 2: Convert to fraction form
    79,921,846.61/110,292,146.97 = 43,252,417.61/x
  3. Step 3: Cross multiply
    79,921,846.61x = 110,292,146.97 × 43,252,417.61
  4. Step 4: Simplify right side
    79,921,846.61x = 4,770,401,999,298,475
  5. Step 5: Solve for x
    x = 4,770,401,999,298,475/79,921,846.61
  6. Step 6: Final answer
    x = 59,688,335.57

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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.