Home / 79,476,306.07-119,220,134.21-21,183,678.71

Finding the Fourth Proportional to 79,476,306.07, 119,220,134.21 and 21,183,678.71

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Solution

The fourth proportional to 79,476,306.07, 119,220,134.21 and 21,183,678.71 is: 31,777,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,476,306.07 : 119,220,134.21 = 21,183,678.71 : x
  2. Step 2: Convert to fraction form
    79,476,306.07/119,220,134.21 = 21,183,678.71/x
  3. Step 3: Cross multiply
    79,476,306.07x = 119,220,134.21 × 21,183,678.71
  4. Step 4: Simplify right side
    79,476,306.07x = 2,525,521,018,165,700.50
  5. Step 5: Solve for x
    x = 2,525,521,018,165,700.50/79,476,306.07
  6. Step 6: Final answer
    x = 31,777,030.70

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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.