Home / 86,478,428.03-119,342,907.56-47,321,855.15

Finding the Fourth Proportional to 86,478,428.03, 119,342,907.56 and 47,321,855.15

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Solution

The fourth proportional to 86,478,428.03, 119,342,907.56 and 47,321,855.15 is: 65,305,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,478,428.03 : 119,342,907.56 = 47,321,855.15 : x
  2. Step 2: Convert to fraction form
    86,478,428.03/119,342,907.56 = 47,321,855.15/x
  3. Step 3: Cross multiply
    86,478,428.03x = 119,342,907.56 × 47,321,855.15
  4. Step 4: Simplify right side
    86,478,428.03x = 5,647,527,784,255,750
  5. Step 5: Solve for x
    x = 5,647,527,784,255,750/86,478,428.03
  6. Step 6: Final answer
    x = 65,305,624.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.