Home / 105,787,761.89-158,609,200.88-53,871,870.15

Finding the Fourth Proportional to 105,787,761.89, 158,609,200.88 and 53,871,870.15

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Solution

The fourth proportional to 105,787,761.89, 158,609,200.88 and 53,871,870.15 is: 80,770,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,787,761.89 : 158,609,200.88 = 53,871,870.15 : x
  2. Step 2: Convert to fraction form
    105,787,761.89/158,609,200.88 = 53,871,870.15/x
  3. Step 3: Cross multiply
    105,787,761.89x = 158,609,200.88 × 53,871,870.15
  4. Step 4: Simplify right side
    105,787,761.89x = 8,544,574,274,537,305
  5. Step 5: Solve for x
    x = 8,544,574,274,537,305/105,787,761.89
  6. Step 6: Final answer
    x = 80,770,914.54

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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.