Home / 128,627,127.77-192,940,309.91-36,510,943.80

Finding the Fourth Proportional to 128,627,127.77, 192,940,309.91 and 36,510,943.80

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Solution

The fourth proportional to 128,627,127.77, 192,940,309.91 and 36,510,943.80 is: 54,766,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,627,127.77 : 192,940,309.91 = 36,510,943.80 : x
  2. Step 2: Convert to fraction form
    128,627,127.77/192,940,309.91 = 36,510,943.80/x
  3. Step 3: Cross multiply
    128,627,127.77x = 192,940,309.91 × 36,510,943.80
  4. Step 4: Simplify right side
    128,627,127.77x = 7,044,432,811,696,038
  5. Step 5: Solve for x
    x = 7,044,432,811,696,038/128,627,127.77
  6. Step 6: Final answer
    x = 54,766,307.34

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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.