Home / 52,003,931.90-78,015,229.05-21,714,856.70

Finding the Fourth Proportional to 52,003,931.90, 78,015,229.05 and 21,714,856.70

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Solution

The fourth proportional to 52,003,931.90, 78,015,229.05 and 21,714,856.70 is: 32,576,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,003,931.90 : 78,015,229.05 = 21,714,856.70 : x
  2. Step 2: Convert to fraction form
    52,003,931.90/78,015,229.05 = 21,714,856.70/x
  3. Step 3: Cross multiply
    52,003,931.90x = 78,015,229.05 × 21,714,856.70
  4. Step 4: Simplify right side
    52,003,931.90x = 1,694,089,519,238,427
  5. Step 5: Solve for x
    x = 1,694,089,519,238,427/52,003,931.90
  6. Step 6: Final answer
    x = 32,576,181.40

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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.