Home / 165,974,019.40-248,961,029.10-101,403,937.90

Finding the Fourth Proportional to 165,974,019.40, 248,961,029.10 and 101,403,937.90

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Solution

The fourth proportional to 165,974,019.40, 248,961,029.10 and 101,403,937.90 is: 152,105,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,974,019.40 : 248,961,029.10 = 101,403,937.90 : x
  2. Step 2: Convert to fraction form
    165,974,019.40/248,961,029.10 = 101,403,937.90/x
  3. Step 3: Cross multiply
    165,974,019.40x = 248,961,029.10 × 101,403,937.90
  4. Step 4: Simplify right side
    165,974,019.40x = 25,245,628,734,376,492
  5. Step 5: Solve for x
    x = 25,245,628,734,376,492/165,974,019.40
  6. Step 6: Final answer
    x = 152,105,906.85

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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.