Home / 323,616,015.40-485,424,023.10-108,205,263.40

Finding the Fourth Proportional to 323,616,015.40, 485,424,023.10 and 108,205,263.40

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Solution

The fourth proportional to 323,616,015.40, 485,424,023.10 and 108,205,263.40 is: 162,307,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,616,015.40 : 485,424,023.10 = 108,205,263.40 : x
  2. Step 2: Convert to fraction form
    323,616,015.40/485,424,023.10 = 108,205,263.40/x
  3. Step 3: Cross multiply
    323,616,015.40x = 485,424,023.10 × 108,205,263.40
  4. Step 4: Simplify right side
    323,616,015.40x = 52,525,434,280,223,192
  5. Step 5: Solve for x
    x = 52,525,434,280,223,192/323,616,015.40
  6. Step 6: Final answer
    x = 162,307,895.10

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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.