Home / 39,339,177,916.64-54,288,229,088.66-21,274,694,128.46

Finding the Fourth Proportional to 39,339,177,916.64, 54,288,229,088.66 and 21,274,694,128.46

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Solution

The fourth proportional to 39,339,177,916.64, 54,288,229,088.66 and 21,274,694,128.46 is: 29,359,166,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339,177,916.64 : 54,288,229,088.66 = 21,274,694,128.46 : x
  2. Step 2: Convert to fraction form
    39,339,177,916.64/54,288,229,088.66 = 21,274,694,128.46/x
  3. Step 3: Cross multiply
    39,339,177,916.64x = 54,288,229,088.66 × 21,274,694,128.46
  4. Step 4: Simplify right side
    39,339,177,916.64x = 1,154,965,468,637,062,758,400
  5. Step 5: Solve for x
    x = 1,154,965,468,637,062,758,400/39,339,177,916.64
  6. Step 6: Final answer
    x = 29,359,166,352.80

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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.