Home / 103,167,317.88-154,750,949.13-70,720,851.93

Finding the Fourth Proportional to 103,167,317.88, 154,750,949.13 and 70,720,851.93

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Solution

The fourth proportional to 103,167,317.88, 154,750,949.13 and 70,720,851.93 is: 106,081,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,167,317.88 : 154,750,949.13 = 70,720,851.93 : x
  2. Step 2: Convert to fraction form
    103,167,317.88/154,750,949.13 = 70,720,851.93/x
  3. Step 3: Cross multiply
    103,167,317.88x = 154,750,949.13 × 70,720,851.93
  4. Step 4: Simplify right side
    103,167,317.88x = 10,944,118,959,449,694
  5. Step 5: Solve for x
    x = 10,944,118,959,449,694/103,167,317.88
  6. Step 6: Final answer
    x = 106,081,258.91

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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.