Home / 248,145,140.64-372,218,177.51-102,418,857.12

Finding the Fourth Proportional to 248,145,140.64, 372,218,177.51 and 102,418,857.12

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Solution

The fourth proportional to 248,145,140.64, 372,218,177.51 and 102,418,857.12 is: 153,628,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,145,140.64 : 372,218,177.51 = 102,418,857.12 : x
  2. Step 2: Convert to fraction form
    248,145,140.64/372,218,177.51 = 102,418,857.12/x
  3. Step 3: Cross multiply
    248,145,140.64x = 372,218,177.51 × 102,418,857.12
  4. Step 4: Simplify right side
    248,145,140.64x = 38,122,160,339,863,488
  5. Step 5: Solve for x
    x = 38,122,160,339,863,488/248,145,140.64
  6. Step 6: Final answer
    x = 153,628,478.24

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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.