Home / 323,616,065.40-485,424,098.10-108,205,313.40

Finding the Fourth Proportional to 323,616,065.40, 485,424,098.10 and 108,205,313.40

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Solution

The fourth proportional to 323,616,065.40, 485,424,098.10 and 108,205,313.40 is: 162,307,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,616,065.40 : 485,424,098.10 = 108,205,313.40 : x
  2. Step 2: Convert to fraction form
    323,616,065.40/485,424,098.10 = 108,205,313.40/x
  3. Step 3: Cross multiply
    323,616,065.40x = 485,424,098.10 × 108,205,313.40
  4. Step 4: Simplify right side
    323,616,065.40x = 52,525,466,666,822,848
  5. Step 5: Solve for x
    x = 52,525,466,666,822,848/323,616,065.40
  6. Step 6: Final answer
    x = 162,307,970.10

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1.5x scale

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.