Home / 323,616,074.40-485,424,111.60-108,205,322.40

Finding the Fourth Proportional to 323,616,074.40, 485,424,111.60 and 108,205,322.40

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Solution

The fourth proportional to 323,616,074.40, 485,424,111.60 and 108,205,322.40 is: 162,307,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,616,074.40 : 485,424,111.60 = 108,205,322.40 : x
  2. Step 2: Convert to fraction form
    323,616,074.40/485,424,111.60 = 108,205,322.40/x
  3. Step 3: Cross multiply
    323,616,074.40x = 485,424,111.60 × 108,205,322.40
  4. Step 4: Simplify right side
    323,616,074.40x = 52,525,472,496,411,584
  5. Step 5: Solve for x
    x = 52,525,472,496,411,584/323,616,074.40
  6. Step 6: Final answer
    x = 162,307,983.60

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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.