Home / 309,726,555.80-464,659,827.29-102,464,476.97

Finding the Fourth Proportional to 309,726,555.80, 464,659,827.29 and 102,464,476.97

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Solution

The fourth proportional to 309,726,555.80, 464,659,827.29 and 102,464,476.97 is: 153,719,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,726,555.80 : 464,659,827.29 = 102,464,476.97 : x
  2. Step 2: Convert to fraction form
    309,726,555.80/464,659,827.29 = 102,464,476.97/x
  3. Step 3: Cross multiply
    309,726,555.80x = 464,659,827.29 × 102,464,476.97
  4. Step 4: Simplify right side
    309,726,555.80x = 47,611,126,172,240,384
  5. Step 5: Solve for x
    x = 47,611,126,172,240,384/309,726,555.80
  6. Step 6: Final answer
    x = 153,719,870.90

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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.