Home / 82,296,530.40-123,388,808.40-39,186,386.40

Finding the Fourth Proportional to 82,296,530.40, 123,388,808.40 and 39,186,386.40

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Solution

The fourth proportional to 82,296,530.40, 123,388,808.40 and 39,186,386.40 is: 58,752,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,296,530.40 : 123,388,808.40 = 39,186,386.40 : x
  2. Step 2: Convert to fraction form
    82,296,530.40/123,388,808.40 = 39,186,386.40/x
  3. Step 3: Cross multiply
    82,296,530.40x = 123,388,808.40 × 39,186,386.40
  4. Step 4: Simplify right side
    82,296,530.40x = 4,835,161,523,397,966
  5. Step 5: Solve for x
    x = 4,835,161,523,397,966/82,296,530.40
  6. Step 6: Final answer
    x = 58,752,920.69

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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.