Home / 91,583,999.40-137,375,999.10-55,304,293.80

Finding the Fourth Proportional to 91,583,999.40, 137,375,999.10 and 55,304,293.80

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Solution

The fourth proportional to 91,583,999.40, 137,375,999.10 and 55,304,293.80 is: 82,956,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,583,999.40 : 137,375,999.10 = 55,304,293.80 : x
  2. Step 2: Convert to fraction form
    91,583,999.40/137,375,999.10 = 55,304,293.80/x
  3. Step 3: Cross multiply
    91,583,999.40x = 137,375,999.10 × 55,304,293.80
  4. Step 4: Simplify right side
    91,583,999.40x = 7,597,482,615,294,935
  5. Step 5: Solve for x
    x = 7,597,482,615,294,935/91,583,999.40
  6. Step 6: Final answer
    x = 82,956,440.70

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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.