Home / 247,838,115.60-371,792,602.80-84,083,428.80

Finding the Fourth Proportional to 247,838,115.60, 371,792,602.80 and 84,083,428.80

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Solution

The fourth proportional to 247,838,115.60, 371,792,602.80 and 84,083,428.80 is: 126,137,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,838,115.60 : 371,792,602.80 = 84,083,428.80 : x
  2. Step 2: Convert to fraction form
    247,838,115.60/371,792,602.80 = 84,083,428.80/x
  3. Step 3: Cross multiply
    247,838,115.60x = 371,792,602.80 × 84,083,428.80
  4. Step 4: Simplify right side
    247,838,115.60x = 31,261,596,845,900,480
  5. Step 5: Solve for x
    x = 31,261,596,845,900,480/247,838,115.60
  6. Step 6: Final answer
    x = 126,137,163.25

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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.