Home / 66,954,167.07-100,278,345.56-31,963,894.40

Finding the Fourth Proportional to 66,954,167.07, 100,278,345.56 and 31,963,894.40

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Solution

The fourth proportional to 66,954,167.07, 100,278,345.56 and 31,963,894.40 is: 47,872,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954,167.07 : 100,278,345.56 = 31,963,894.40 : x
  2. Step 2: Convert to fraction form
    66,954,167.07/100,278,345.56 = 31,963,894.40/x
  3. Step 3: Cross multiply
    66,954,167.07x = 100,278,345.56 × 31,963,894.40
  4. Step 4: Simplify right side
    66,954,167.07x = 3,205,286,447,425,338
  5. Step 5: Solve for x
    x = 3,205,286,447,425,338/66,954,167.07
  6. Step 6: Final answer
    x = 47,872,844.78

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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.