Home / 323,447,967.12-485,222,113.62-136,702,696.22

Finding the Fourth Proportional to 323,447,967.12, 485,222,113.62 and 136,702,696.22

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Solution

The fourth proportional to 323,447,967.12, 485,222,113.62 and 136,702,696.22 is: 205,075,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,447,967.12 : 485,222,113.62 = 136,702,696.22 : x
  2. Step 2: Convert to fraction form
    323,447,967.12/485,222,113.62 = 136,702,696.22/x
  3. Step 3: Cross multiply
    323,447,967.12x = 485,222,113.62 × 136,702,696.22
  4. Step 4: Simplify right side
    323,447,967.12x = 66,331,171,197,421,184
  5. Step 5: Solve for x
    x = 66,331,171,197,421,184/323,447,967.12
  6. Step 6: Final answer
    x = 205,075,245.30

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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.