Home / 69,838,305.06-96,376,887.21-40,486,652.79

Finding the Fourth Proportional to 69,838,305.06, 96,376,887.21 and 40,486,652.79

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Solution

The fourth proportional to 69,838,305.06, 96,376,887.21 and 40,486,652.79 is: 55,871,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,838,305.06 : 96,376,887.21 = 40,486,652.79 : x
  2. Step 2: Convert to fraction form
    69,838,305.06/96,376,887.21 = 40,486,652.79/x
  3. Step 3: Cross multiply
    69,838,305.06x = 96,376,887.21 × 40,486,652.79
  4. Step 4: Simplify right side
    69,838,305.06x = 3,901,977,569,452,261.50
  5. Step 5: Solve for x
    x = 3,901,977,569,452,261.50/69,838,305.06
  6. Step 6: Final answer
    x = 55,871,596.05

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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.