Home / 218,439,452.97-301,446,433.51-117,967,881.40

Finding the Fourth Proportional to 218,439,452.97, 301,446,433.51 and 117,967,881.40

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Solution

The fourth proportional to 218,439,452.97, 301,446,433.51 and 117,967,881.40 is: 162,795,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,439,452.97 : 301,446,433.51 = 117,967,881.40 : x
  2. Step 2: Convert to fraction form
    218,439,452.97/301,446,433.51 = 117,967,881.40/x
  3. Step 3: Cross multiply
    218,439,452.97x = 301,446,433.51 × 117,967,881.40
  4. Step 4: Simplify right side
    218,439,452.97x = 35,560,997,115,712,128
  5. Step 5: Solve for x
    x = 35,560,997,115,712,128/218,439,452.97
  6. Step 6: Final answer
    x = 162,795,670.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.