Home / 61,809,739.20-92,714,608.80-38,966,961.60

Finding the Fourth Proportional to 61,809,739.20, 92,714,608.80 and 38,966,961.60

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Solution

The fourth proportional to 61,809,739.20, 92,714,608.80 and 38,966,961.60 is: 58,450,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809,739.20 : 92,714,608.80 = 38,966,961.60 : x
  2. Step 2: Convert to fraction form
    61,809,739.20/92,714,608.80 = 38,966,961.60/x
  3. Step 3: Cross multiply
    61,809,739.20x = 92,714,608.80 × 38,966,961.60
  4. Step 4: Simplify right side
    61,809,739.20x = 3,612,806,600,868,622
  5. Step 5: Solve for x
    x = 3,612,806,600,868,622/61,809,739.20
  6. Step 6: Final answer
    x = 58,450,442.40

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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.