Home / 129,363,622.80-194,098,578.30-47,521,708.80

Finding the Fourth Proportional to 129,363,622.80, 194,098,578.30 and 47,521,708.80

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Solution

The fourth proportional to 129,363,622.80, 194,098,578.30 and 47,521,708.80 is: 71,302,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,363,622.80 : 194,098,578.30 = 47,521,708.80 : x
  2. Step 2: Convert to fraction form
    129,363,622.80/194,098,578.30 = 47,521,708.80/x
  3. Step 3: Cross multiply
    129,363,622.80x = 194,098,578.30 × 47,521,708.80
  4. Step 4: Simplify right side
    129,363,622.80x = 9,223,896,116,466,600
  5. Step 5: Solve for x
    x = 9,223,896,116,466,600/129,363,622.80
  6. Step 6: Final answer
    x = 71,302,085.68

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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.