Home / 163,036,912.80-244,838,804.40-86,509,408.80

Finding the Fourth Proportional to 163,036,912.80, 244,838,804.40 and 86,509,408.80

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Solution

The fourth proportional to 163,036,912.80, 244,838,804.40 and 86,509,408.80 is: 129,914,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,036,912.80 : 244,838,804.40 = 86,509,408.80 : x
  2. Step 2: Convert to fraction form
    163,036,912.80/244,838,804.40 = 86,509,408.80/x
  3. Step 3: Cross multiply
    163,036,912.80x = 244,838,804.40 × 86,509,408.80
  4. Step 4: Simplify right side
    163,036,912.80x = 21,180,860,219,942,840
  5. Step 5: Solve for x
    x = 21,180,860,219,942,840/163,036,912.80
  6. Step 6: Final answer
    x = 129,914,507.43

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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.