Home / 72,774,986.90-109,135,908.30-24,254,423.60

Finding the Fourth Proportional to 72,774,986.90, 109,135,908.30 and 24,254,423.60

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Solution

The fourth proportional to 72,774,986.90, 109,135,908.30 and 24,254,423.60 is: 36,372,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,774,986.90 : 109,135,908.30 = 24,254,423.60 : x
  2. Step 2: Convert to fraction form
    72,774,986.90/109,135,908.30 = 24,254,423.60/x
  3. Step 3: Cross multiply
    72,774,986.90x = 109,135,908.30 × 24,254,423.60
  4. Step 4: Simplify right side
    72,774,986.90x = 2,647,028,549,878,956
  5. Step 5: Solve for x
    x = 2,647,028,549,878,956/72,774,986.90
  6. Step 6: Final answer
    x = 36,372,779.48

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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.