Home / 231,369,969.76-319,296,434.42-126,948,013.40

Finding the Fourth Proportional to 231,369,969.76, 319,296,434.42 and 126,948,013.40

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Solution

The fourth proportional to 231,369,969.76, 319,296,434.42 and 126,948,013.40 is: 175,191,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,369,969.76 : 319,296,434.42 = 126,948,013.40 : x
  2. Step 2: Convert to fraction form
    231,369,969.76/319,296,434.42 = 126,948,013.40/x
  3. Step 3: Cross multiply
    231,369,969.76x = 319,296,434.42 × 126,948,013.40
  4. Step 4: Simplify right side
    231,369,969.76x = 40,534,048,035,322,384
  5. Step 5: Solve for x
    x = 40,534,048,035,322,384/231,369,969.76
  6. Step 6: Final answer
    x = 175,191,482.62

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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.