Home / 52,002,055.60-78,003,083.40-25,128,199.60

Finding the Fourth Proportional to 52,002,055.60, 78,003,083.40 and 25,128,199.60

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Solution

The fourth proportional to 52,002,055.60, 78,003,083.40 and 25,128,199.60 is: 37,692,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,055.60 : 78,003,083.40 = 25,128,199.60 : x
  2. Step 2: Convert to fraction form
    52,002,055.60/78,003,083.40 = 25,128,199.60/x
  3. Step 3: Cross multiply
    52,002,055.60x = 78,003,083.40 × 25,128,199.60
  4. Step 4: Simplify right side
    52,002,055.60x = 1,960,077,049,090,647
  5. Step 5: Solve for x
    x = 1,960,077,049,090,647/52,002,055.60
  6. Step 6: Final answer
    x = 37,692,299.40

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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.