Home / 96,768,002.70-145,152,004.05-54,212,201.10

Finding the Fourth Proportional to 96,768,002.70, 145,152,004.05 and 54,212,201.10

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Solution

The fourth proportional to 96,768,002.70, 145,152,004.05 and 54,212,201.10 is: 81,318,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,002.70 : 145,152,004.05 = 54,212,201.10 : x
  2. Step 2: Convert to fraction form
    96,768,002.70/145,152,004.05 = 54,212,201.10/x
  3. Step 3: Cross multiply
    96,768,002.70x = 145,152,004.05 × 54,212,201.10
  4. Step 4: Simplify right side
    96,768,002.70x = 7,869,009,633,626,615
  5. Step 5: Solve for x
    x = 7,869,009,633,626,615/96,768,002.70
  6. Step 6: Final answer
    x = 81,318,301.65

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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.