Home / 52,002,643.60-78,003,965.40-39,153,581.20

Finding the Fourth Proportional to 52,002,643.60, 78,003,965.40 and 39,153,581.20

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Solution

The fourth proportional to 52,002,643.60, 78,003,965.40 and 39,153,581.20 is: 58,730,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,643.60 : 78,003,965.40 = 39,153,581.20 : x
  2. Step 2: Convert to fraction form
    52,002,643.60/78,003,965.40 = 39,153,581.20/x
  3. Step 3: Cross multiply
    52,002,643.60x = 78,003,965.40 × 39,153,581.20
  4. Step 4: Simplify right side
    52,002,643.60x = 3,054,134,593,210,891
  5. Step 5: Solve for x
    x = 3,054,134,593,210,891/52,002,643.60
  6. Step 6: Final answer
    x = 58,730,371.80

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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.