Home / 69,838,302.06-96,376,883.06-40,486,649.78

Finding the Fourth Proportional to 69,838,302.06, 96,376,883.06 and 40,486,649.78

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Solution

The fourth proportional to 69,838,302.06, 96,376,883.06 and 40,486,649.78 is: 55,871,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,838,302.06 : 96,376,883.06 = 40,486,649.78 : x
  2. Step 2: Convert to fraction form
    69,838,302.06/96,376,883.06 = 40,486,649.78/x
  3. Step 3: Cross multiply
    69,838,302.06x = 96,376,883.06 × 40,486,649.78
  4. Step 4: Simplify right side
    69,838,302.06x = 3,901,977,111,680,393.50
  5. Step 5: Solve for x
    x = 3,901,977,111,680,393.50/69,838,302.06
  6. Step 6: Final answer
    x = 55,871,591.90

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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.