Home / 323,344,971.36-485,010,454.08-90,169,461.36

Finding the Fourth Proportional to 323,344,971.36, 485,010,454.08 and 90,169,461.36

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Solution

The fourth proportional to 323,344,971.36, 485,010,454.08 and 90,169,461.36 is: 135,252,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,344,971.36 : 485,010,454.08 = 90,169,461.36 : x
  2. Step 2: Convert to fraction form
    323,344,971.36/485,010,454.08 = 90,169,461.36/x
  3. Step 3: Cross multiply
    323,344,971.36x = 485,010,454.08 × 90,169,461.36
  4. Step 4: Simplify right side
    323,344,971.36x = 43,733,131,398,362,616
  5. Step 5: Solve for x
    x = 43,733,131,398,362,616/323,344,971.36
  6. Step 6: Final answer
    x = 135,252,239.16

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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.