Home / 248,103,728.70-372,155,593.05-102,488,894.70

Finding the Fourth Proportional to 248,103,728.70, 372,155,593.05 and 102,488,894.70

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Solution

The fourth proportional to 248,103,728.70, 372,155,593.05 and 102,488,894.70 is: 153,733,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,103,728.70 : 372,155,593.05 = 102,488,894.70 : x
  2. Step 2: Convert to fraction form
    248,103,728.70/372,155,593.05 = 102,488,894.70/x
  3. Step 3: Cross multiply
    248,103,728.70x = 372,155,593.05 × 102,488,894.70
  4. Step 4: Simplify right side
    248,103,728.70x = 38,141,815,388,117,504
  5. Step 5: Solve for x
    x = 38,141,815,388,117,504/248,103,728.70
  6. Step 6: Final answer
    x = 153,733,342.05

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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.