Home / 52,018,789.20-78,004,564.20-19,659,937.20

Finding the Fourth Proportional to 52,018,789.20, 78,004,564.20 and 19,659,937.20

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Solution

The fourth proportional to 52,018,789.20, 78,004,564.20 and 19,659,937.20 is: 29,480,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018,789.20 : 78,004,564.20 = 19,659,937.20 : x
  2. Step 2: Convert to fraction form
    52,018,789.20/78,004,564.20 = 19,659,937.20/x
  3. Step 3: Cross multiply
    52,018,789.20x = 78,004,564.20 × 19,659,937.20
  4. Step 4: Simplify right side
    52,018,789.20x = 1,533,564,833,485,368.25
  5. Step 5: Solve for x
    x = 1,533,564,833,485,368.25/52,018,789.20
  6. Step 6: Final answer
    x = 29,480,979.03

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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.