Home / 79,476,307.07-119,220,135.71-21,183,679.71

Finding the Fourth Proportional to 79,476,307.07, 119,220,135.71 and 21,183,679.71

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Solution

The fourth proportional to 79,476,307.07, 119,220,135.71 and 21,183,679.71 is: 31,777,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,476,307.07 : 119,220,135.71 = 21,183,679.71 : x
  2. Step 2: Convert to fraction form
    79,476,307.07/119,220,135.71 = 21,183,679.71/x
  3. Step 3: Cross multiply
    79,476,307.07x = 119,220,135.71 × 21,183,679.71
  4. Step 4: Simplify right side
    79,476,307.07x = 2,525,521,169,863,373.50
  5. Step 5: Solve for x
    x = 2,525,521,169,863,373.50/79,476,307.07
  6. Step 6: Final answer
    x = 31,777,032.21

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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.