Home / 52,002,669.60-78,004,004.40-39,153,607.20

Finding the Fourth Proportional to 52,002,669.60, 78,004,004.40 and 39,153,607.20

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Solution

The fourth proportional to 52,002,669.60, 78,004,004.40 and 39,153,607.20 is: 58,730,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,669.60 : 78,004,004.40 = 39,153,607.20 : x
  2. Step 2: Convert to fraction form
    52,002,669.60/78,004,004.40 = 39,153,607.20/x
  3. Step 3: Cross multiply
    52,002,669.60x = 78,004,004.40 × 39,153,607.20
  4. Step 4: Simplify right side
    52,002,669.60x = 3,054,138,148,304,672
  5. Step 5: Solve for x
    x = 3,054,138,148,304,672/52,002,669.60
  6. Step 6: Final answer
    x = 58,730,410.80

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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.