Home / 219,311,378.40-328,967,067.60-176,264,657.40

Finding the Fourth Proportional to 219,311,378.40, 328,967,067.60 and 176,264,657.40

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Solution

The fourth proportional to 219,311,378.40, 328,967,067.60 and 176,264,657.40 is: 264,396,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,311,378.40 : 328,967,067.60 = 176,264,657.40 : x
  2. Step 2: Convert to fraction form
    219,311,378.40/328,967,067.60 = 176,264,657.40/x
  3. Step 3: Cross multiply
    219,311,378.40x = 328,967,067.60 × 176,264,657.40
  4. Step 4: Simplify right side
    219,311,378.40x = 57,985,267,466,396,648
  5. Step 5: Solve for x
    x = 57,985,267,466,396,648/219,311,378.40
  6. Step 6: Final answer
    x = 264,396,986.10

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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.