Home / 128,216,244.88-192,325,844.76-46,341,341.20

Finding the Fourth Proportional to 128,216,244.88, 192,325,844.76 and 46,341,341.20

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Solution

The fourth proportional to 128,216,244.88, 192,325,844.76 and 46,341,341.20 is: 69,512,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,216,244.88 : 192,325,844.76 = 46,341,341.20 : x
  2. Step 2: Convert to fraction form
    128,216,244.88/192,325,844.76 = 46,341,341.20/x
  3. Step 3: Cross multiply
    128,216,244.88x = 192,325,844.76 × 46,341,341.20
  4. Step 4: Simplify right side
    128,216,244.88x = 8,912,637,593,601,392
  5. Step 5: Solve for x
    x = 8,912,637,593,601,392/128,216,244.88
  6. Step 6: Final answer
    x = 69,512,545.79

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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.