Home / 137,881,375.80-190,275,158.70-75,156,333.16

Finding the Fourth Proportional to 137,881,375.80, 190,275,158.70 and 75,156,333.16

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Solution

The fourth proportional to 137,881,375.80, 190,275,158.70 and 75,156,333.16 is: 103,715,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,881,375.80 : 190,275,158.70 = 75,156,333.16 : x
  2. Step 2: Convert to fraction form
    137,881,375.80/190,275,158.70 = 75,156,333.16/x
  3. Step 3: Cross multiply
    137,881,375.80x = 190,275,158.70 × 75,156,333.16
  4. Step 4: Simplify right side
    137,881,375.80x = 14,300,383,218,001,914
  5. Step 5: Solve for x
    x = 14,300,383,218,001,914/137,881,375.80
  6. Step 6: Final answer
    x = 103,715,118.42

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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.