Home / 247,942,799.64-371,914,197.54-90,387,630.36

Finding the Fourth Proportional to 247,942,799.64, 371,914,197.54 and 90,387,630.36

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Solution

The fourth proportional to 247,942,799.64, 371,914,197.54 and 90,387,630.36 is: 135,581,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,942,799.64 : 371,914,197.54 = 90,387,630.36 : x
  2. Step 2: Convert to fraction form
    247,942,799.64/371,914,197.54 = 90,387,630.36/x
  3. Step 3: Cross multiply
    247,942,799.64x = 371,914,197.54 × 90,387,630.36
  4. Step 4: Simplify right side
    247,942,799.64x = 33,616,443,012,881,544
  5. Step 5: Solve for x
    x = 33,616,443,012,881,544/247,942,799.64
  6. Step 6: Final answer
    x = 135,581,444.84

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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.