Home / 203,974,634.40-305,961,951.60-163,663,850.40

Finding the Fourth Proportional to 203,974,634.40, 305,961,951.60 and 163,663,850.40

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Solution

The fourth proportional to 203,974,634.40, 305,961,951.60 and 163,663,850.40 is: 245,495,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,974,634.40 : 305,961,951.60 = 163,663,850.40 : x
  2. Step 2: Convert to fraction form
    203,974,634.40/305,961,951.60 = 163,663,850.40/x
  3. Step 3: Cross multiply
    203,974,634.40x = 305,961,951.60 × 163,663,850.40
  4. Step 4: Simplify right side
    203,974,634.40x = 50,074,911,074,754,448
  5. Step 5: Solve for x
    x = 50,074,911,074,754,448/203,974,634.40
  6. Step 6: Final answer
    x = 245,495,775.60

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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.