Home / 145,184,296.26-200,311,347.66-86,399,835.78

Finding the Fourth Proportional to 145,184,296.26, 200,311,347.66 and 86,399,835.78

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Solution

The fourth proportional to 145,184,296.26, 200,311,347.66 and 86,399,835.78 is: 119,206,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,184,296.26 : 200,311,347.66 = 86,399,835.78 : x
  2. Step 2: Convert to fraction form
    145,184,296.26/200,311,347.66 = 86,399,835.78/x
  3. Step 3: Cross multiply
    145,184,296.26x = 200,311,347.66 × 86,399,835.78
  4. Step 4: Simplify right side
    145,184,296.26x = 17,306,867,542,694,488
  5. Step 5: Solve for x
    x = 17,306,867,542,694,488/145,184,296.26
  6. Step 6: Final answer
    x = 119,206,195.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.