Home / 255,841,304.87-353,061,000.92-138,366,634.48

Finding the Fourth Proportional to 255,841,304.87, 353,061,000.92 and 138,366,634.48

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Solution

The fourth proportional to 255,841,304.87, 353,061,000.92 and 138,366,634.48 is: 190,945,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,841,304.87 : 353,061,000.92 = 138,366,634.48 : x
  2. Step 2: Convert to fraction form
    255,841,304.87/353,061,000.92 = 138,366,634.48/x
  3. Step 3: Cross multiply
    255,841,304.87x = 353,061,000.92 × 138,366,634.48
  4. Step 4: Simplify right side
    255,841,304.87x = 48,851,862,463,440,584
  5. Step 5: Solve for x
    x = 48,851,862,463,440,584/255,841,304.87
  6. Step 6: Final answer
    x = 190,945,955.69

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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.