Home / 74,650,056.40-111,975,084.60-20,797,368.40

Finding the Fourth Proportional to 74,650,056.40, 111,975,084.60 and 20,797,368.40

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Solution

The fourth proportional to 74,650,056.40, 111,975,084.60 and 20,797,368.40 is: 31,196,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650,056.40 : 111,975,084.60 = 20,797,368.40 : x
  2. Step 2: Convert to fraction form
    74,650,056.40/111,975,084.60 = 20,797,368.40/x
  3. Step 3: Cross multiply
    74,650,056.40x = 111,975,084.60 × 20,797,368.40
  4. Step 4: Simplify right side
    74,650,056.40x = 2,328,787,086,047,366.50
  5. Step 5: Solve for x
    x = 2,328,787,086,047,366.50/74,650,056.40
  6. Step 6: Final answer
    x = 31,196,052.60

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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.