Home / 82,958,920.30-124,444,359.16-31,840,939.11

Finding the Fourth Proportional to 82,958,920.30, 124,444,359.16 and 31,840,939.11

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Solution

The fourth proportional to 82,958,920.30, 124,444,359.16 and 31,840,939.11 is: 47,763,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,958,920.30 : 124,444,359.16 = 31,840,939.11 : x
  2. Step 2: Convert to fraction form
    82,958,920.30/124,444,359.16 = 31,840,939.11/x
  3. Step 3: Cross multiply
    82,958,920.30x = 124,444,359.16 × 31,840,939.11
  4. Step 4: Simplify right side
    82,958,920.30x = 3,962,425,262,596,530.50
  5. Step 5: Solve for x
    x = 3,962,425,262,596,530.50/82,958,920.30
  6. Step 6: Final answer
    x = 47,763,703.39

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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.