Home / 141,880,668.80-212,737,022.40-73,856,220.80

Finding the Fourth Proportional to 141,880,668.80, 212,737,022.40 and 73,856,220.80

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Solution

The fourth proportional to 141,880,668.80, 212,737,022.40 and 73,856,220.80 is: 110,740,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,880,668.80 : 212,737,022.40 = 73,856,220.80 : x
  2. Step 2: Convert to fraction form
    141,880,668.80/212,737,022.40 = 73,856,220.80/x
  3. Step 3: Cross multiply
    141,880,668.80x = 212,737,022.40 × 73,856,220.80
  4. Step 4: Simplify right side
    141,880,668.80x = 15,711,952,498,708,946
  5. Step 5: Solve for x
    x = 15,711,952,498,708,946/141,880,668.80
  6. Step 6: Final answer
    x = 110,740,614.85

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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.