Home / 288,189,696.62-431,831,881.04-222,771,130.20

Finding the Fourth Proportional to 288,189,696.62, 431,831,881.04 and 222,771,130.20

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Solution

The fourth proportional to 288,189,696.62, 431,831,881.04 and 222,771,130.20 is: 333,806,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,189,696.62 : 431,831,881.04 = 222,771,130.20 : x
  2. Step 2: Convert to fraction form
    288,189,696.62/431,831,881.04 = 222,771,130.20/x
  3. Step 3: Cross multiply
    288,189,696.62x = 431,831,881.04 × 222,771,130.20
  4. Step 4: Simplify right side
    288,189,696.62x = 96,199,676,195,672,752
  5. Step 5: Solve for x
    x = 96,199,676,195,672,752/288,189,696.62
  6. Step 6: Final answer
    x = 333,806,785.34

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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.