Home / 47,702,961.60-71,554,442.40-15,790,257.60

Finding the Fourth Proportional to 47,702,961.60, 71,554,442.40 and 15,790,257.60

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Solution

The fourth proportional to 47,702,961.60, 71,554,442.40 and 15,790,257.60 is: 23,685,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,702,961.60 : 71,554,442.40 = 15,790,257.60 : x
  2. Step 2: Convert to fraction form
    47,702,961.60/71,554,442.40 = 15,790,257.60/x
  3. Step 3: Cross multiply
    47,702,961.60x = 71,554,442.40 × 15,790,257.60
  4. Step 4: Simplify right side
    47,702,961.60x = 1,129,863,077,920,362.25
  5. Step 5: Solve for x
    x = 1,129,863,077,920,362.25/47,702,961.60
  6. Step 6: Final answer
    x = 23,685,386.40

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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.