Home / 213,564,531.75-319,824,398.39-192,861,755.52

Finding the Fourth Proportional to 213,564,531.75, 319,824,398.39 and 192,861,755.52

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Solution

The fourth proportional to 213,564,531.75, 319,824,398.39 and 192,861,755.52 is: 288,820,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,564,531.75 : 319,824,398.39 = 192,861,755.52 : x
  2. Step 2: Convert to fraction form
    213,564,531.75/319,824,398.39 = 192,861,755.52/x
  3. Step 3: Cross multiply
    213,564,531.75x = 319,824,398.39 × 192,861,755.52
  4. Step 4: Simplify right side
    213,564,531.75x = 61,681,894,931,623,264
  5. Step 5: Solve for x
    x = 61,681,894,931,623,264/213,564,531.75
  6. Step 6: Final answer
    x = 288,820,875.01

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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.