Home / 293,648,807.40-440,809,134.30-172,548,493.80

Finding the Fourth Proportional to 293,648,807.40, 440,809,134.30 and 172,548,493.80

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Solution

The fourth proportional to 293,648,807.40, 440,809,134.30 and 172,548,493.80 is: 259,020,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,648,807.40 : 440,809,134.30 = 172,548,493.80 : x
  2. Step 2: Convert to fraction form
    293,648,807.40/440,809,134.30 = 172,548,493.80/x
  3. Step 3: Cross multiply
    293,648,807.40x = 440,809,134.30 × 172,548,493.80
  4. Step 4: Simplify right side
    293,648,807.40x = 76,060,952,176,746,928
  5. Step 5: Solve for x
    x = 76,060,952,176,746,928/293,648,807.40
  6. Step 6: Final answer
    x = 259,020,129.69

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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.