Home / 247,942,677.18-371,913,960.38-90,387,503.51

Finding the Fourth Proportional to 247,942,677.18, 371,913,960.38 and 90,387,503.51

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Solution

The fourth proportional to 247,942,677.18, 371,913,960.38 and 90,387,503.51 is: 135,581,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,942,677.18 : 371,913,960.38 = 90,387,503.51 : x
  2. Step 2: Convert to fraction form
    247,942,677.18/371,913,960.38 = 90,387,503.51/x
  3. Step 3: Cross multiply
    247,942,677.18x = 371,913,960.38 × 90,387,503.51
  4. Step 4: Simplify right side
    247,942,677.18x = 33,616,374,396,953,740
  5. Step 5: Solve for x
    x = 33,616,374,396,953,740/247,942,677.18
  6. Step 6: Final answer
    x = 135,581,235.06

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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.