Home / 52,003,933.90-78,015,232.05-21,714,858.70

Finding the Fourth Proportional to 52,003,933.90, 78,015,232.05 and 21,714,858.70

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Solution

The fourth proportional to 52,003,933.90, 78,015,232.05 and 21,714,858.70 is: 32,576,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,003,933.90 : 78,015,232.05 = 21,714,858.70 : x
  2. Step 2: Convert to fraction form
    52,003,933.90/78,015,232.05 = 21,714,858.70/x
  3. Step 3: Cross multiply
    52,003,933.90x = 78,015,232.05 × 21,714,858.70
  4. Step 4: Simplify right side
    52,003,933.90x = 1,694,089,740,413,461.25
  5. Step 5: Solve for x
    x = 1,694,089,740,413,461.25/52,003,933.90
  6. Step 6: Final answer
    x = 32,576,184.40

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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.