Home / 217,728,045.60-326,592,068.40-192,218,877.60

Finding the Fourth Proportional to 217,728,045.60, 326,592,068.40 and 192,218,877.60

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Solution

The fourth proportional to 217,728,045.60, 326,592,068.40 and 192,218,877.60 is: 288,328,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,728,045.60 : 326,592,068.40 = 192,218,877.60 : x
  2. Step 2: Convert to fraction form
    217,728,045.60/326,592,068.40 = 192,218,877.60/x
  3. Step 3: Cross multiply
    217,728,045.60x = 326,592,068.40 × 192,218,877.60
  4. Step 4: Simplify right side
    217,728,045.60x = 62,777,160,820,910,424
  5. Step 5: Solve for x
    x = 62,777,160,820,910,424/217,728,045.60
  6. Step 6: Final answer
    x = 288,328,316.40

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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.