Home / 49,573,148.31-68,389,721.86-30,955,966.78

Finding the Fourth Proportional to 49,573,148.31, 68,389,721.86 and 30,955,966.78

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Solution

The fourth proportional to 49,573,148.31, 68,389,721.86 and 30,955,966.78 is: 42,705,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,573,148.31 : 68,389,721.86 = 30,955,966.78 : x
  2. Step 2: Convert to fraction form
    49,573,148.31/68,389,721.86 = 30,955,966.78/x
  3. Step 3: Cross multiply
    49,573,148.31x = 68,389,721.86 × 30,955,966.78
  4. Step 4: Simplify right side
    49,573,148.31x = 2,117,069,957,991,599.75
  5. Step 5: Solve for x
    x = 2,117,069,957,991,599.75/49,573,148.31
  6. Step 6: Final answer
    x = 42,705,981.57

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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.