Home / 157,370,403.70-236,055,605.55-99,974,775.70

Finding the Fourth Proportional to 157,370,403.70, 236,055,605.55 and 99,974,775.70

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Solution

The fourth proportional to 157,370,403.70, 236,055,605.55 and 99,974,775.70 is: 149,962,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,370,403.70 : 236,055,605.55 = 99,974,775.70 : x
  2. Step 2: Convert to fraction form
    157,370,403.70/236,055,605.55 = 99,974,775.70/x
  3. Step 3: Cross multiply
    157,370,403.70x = 236,055,605.55 × 99,974,775.70
  4. Step 4: Simplify right side
    157,370,403.70x = 23,599,606,217,588,928
  5. Step 5: Solve for x
    x = 23,599,606,217,588,928/157,370,403.70
  6. Step 6: Final answer
    x = 149,962,163.55

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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.