Home / 72,583,225.20-108,874,837.80-49,591,148.40

Finding the Fourth Proportional to 72,583,225.20, 108,874,837.80 and 49,591,148.40

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Solution

The fourth proportional to 72,583,225.20, 108,874,837.80 and 49,591,148.40 is: 74,386,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583,225.20 : 108,874,837.80 = 49,591,148.40 : x
  2. Step 2: Convert to fraction form
    72,583,225.20/108,874,837.80 = 49,591,148.40/x
  3. Step 3: Cross multiply
    72,583,225.20x = 108,874,837.80 × 49,591,148.40
  4. Step 4: Simplify right side
    72,583,225.20x = 5,399,228,238,365,729
  5. Step 5: Solve for x
    x = 5,399,228,238,365,729/72,583,225.20
  6. Step 6: Final answer
    x = 74,386,722.60

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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.