Home / 128,321,340.48-192,532,424.16-56,467,368

Finding the Fourth Proportional to 128,321,340.48, 192,532,424.16 and 56,467,368

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Solution

The fourth proportional to 128,321,340.48, 192,532,424.16 and 56,467,368 is: 84,723,236.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,321,340.48 : 192,532,424.16 = 56,467,368 : x
  2. Step 2: Convert to fraction form
    128,321,340.48/192,532,424.16 = 56,467,368/x
  3. Step 3: Cross multiply
    128,321,340.48x = 192,532,424.16 × 56,467,368
  4. Step 4: Simplify right side
    128,321,340.48x = 10,871,799,246,974,810
  5. Step 5: Solve for x
    x = 10,871,799,246,974,810/128,321,340.48
  6. Step 6: Final answer
    x = 84,723,236.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.