Home / 101,341,155.33-139,847,047.70-54,930,412.80

Finding the Fourth Proportional to 101,341,155.33, 139,847,047.70 and 54,930,412.80

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Solution

The fourth proportional to 101,341,155.33, 139,847,047.70 and 54,930,412.80 is: 75,801,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,341,155.33 : 139,847,047.70 = 54,930,412.80 : x
  2. Step 2: Convert to fraction form
    101,341,155.33/139,847,047.70 = 54,930,412.80/x
  3. Step 3: Cross multiply
    101,341,155.33x = 139,847,047.70 × 54,930,412.80
  4. Step 4: Simplify right side
    101,341,155.33x = 7,681,856,058,747,638
  5. Step 5: Solve for x
    x = 7,681,856,058,747,638/101,341,155.33
  6. Step 6: Final answer
    x = 75,801,938.84

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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.