Home / 52,403,839.88-72,317,585.82-30,390,391.04

Finding the Fourth Proportional to 52,403,839.88, 72,317,585.82 and 30,390,391.04

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Solution

The fourth proportional to 52,403,839.88, 72,317,585.82 and 30,390,391.04 is: 41,938,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403,839.88 : 72,317,585.82 = 30,390,391.04 : x
  2. Step 2: Convert to fraction form
    52,403,839.88/72,317,585.82 = 30,390,391.04/x
  3. Step 3: Cross multiply
    52,403,839.88x = 72,317,585.82 × 30,390,391.04
  4. Step 4: Simplify right side
    52,403,839.88x = 2,197,759,712,138,558.75
  5. Step 5: Solve for x
    x = 2,197,759,712,138,558.75/52,403,839.88
  6. Step 6: Final answer
    x = 41,938,905.95

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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.