Home / 141,762,638.38-195,632,519.44-76,572,542.38

Finding the Fourth Proportional to 141,762,638.38, 195,632,519.44 and 76,572,542.38

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Solution

The fourth proportional to 141,762,638.38, 195,632,519.44 and 76,572,542.38 is: 105,670,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,762,638.38 : 195,632,519.44 = 76,572,542.38 : x
  2. Step 2: Convert to fraction form
    141,762,638.38/195,632,519.44 = 76,572,542.38/x
  3. Step 3: Cross multiply
    141,762,638.38x = 195,632,519.44 × 76,572,542.38
  4. Step 4: Simplify right side
    141,762,638.38x = 14,980,079,385,725,572
  5. Step 5: Solve for x
    x = 14,980,079,385,725,572/141,762,638.38
  6. Step 6: Final answer
    x = 105,670,150.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.