Home / 217,038,196.20-325,557,294.30-187,812,877.80

Finding the Fourth Proportional to 217,038,196.20, 325,557,294.30 and 187,812,877.80

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Solution

The fourth proportional to 217,038,196.20, 325,557,294.30 and 187,812,877.80 is: 281,719,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,038,196.20 : 325,557,294.30 = 187,812,877.80 : x
  2. Step 2: Convert to fraction form
    217,038,196.20/325,557,294.30 = 187,812,877.80/x
  3. Step 3: Cross multiply
    217,038,196.20x = 325,557,294.30 × 187,812,877.80
  4. Step 4: Simplify right side
    217,038,196.20x = 61,143,852,331,264,544
  5. Step 5: Solve for x
    x = 61,143,852,331,264,544/217,038,196.20
  6. Step 6: Final answer
    x = 281,719,316.70

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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.