Home / 81,871,600.50-112,942,021.02-48,808,552.32

Finding the Fourth Proportional to 81,871,600.50, 112,942,021.02 and 48,808,552.32

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Solution

The fourth proportional to 81,871,600.50, 112,942,021.02 and 48,808,552.32 is: 67,331,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,871,600.50 : 112,942,021.02 = 48,808,552.32 : x
  2. Step 2: Convert to fraction form
    81,871,600.50/112,942,021.02 = 48,808,552.32/x
  3. Step 3: Cross multiply
    81,871,600.50x = 112,942,021.02 × 48,808,552.32
  4. Step 4: Simplify right side
    81,871,600.50x = 5,512,536,542,081,210
  5. Step 5: Solve for x
    x = 5,512,536,542,081,210/81,871,600.50
  6. Step 6: Final answer
    x = 67,331,486.23

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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.