Home / 157,370,408.70-236,055,613.05-99,974,780.70

Finding the Fourth Proportional to 157,370,408.70, 236,055,613.05 and 99,974,780.70

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Solution

The fourth proportional to 157,370,408.70, 236,055,613.05 and 99,974,780.70 is: 149,962,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,370,408.70 : 236,055,613.05 = 99,974,780.70 : x
  2. Step 2: Convert to fraction form
    157,370,408.70/236,055,613.05 = 99,974,780.70/x
  3. Step 3: Cross multiply
    157,370,408.70x = 236,055,613.05 × 99,974,780.70
  4. Step 4: Simplify right side
    157,370,408.70x = 23,599,608,147,677,812
  5. Step 5: Solve for x
    x = 23,599,608,147,677,812/157,370,408.70
  6. Step 6: Final answer
    x = 149,962,171.05

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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.