Home / 145,184,298.26-200,311,350.42-86,399,837.78

Finding the Fourth Proportional to 145,184,298.26, 200,311,350.42 and 86,399,837.78

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Solution

The fourth proportional to 145,184,298.26, 200,311,350.42 and 86,399,837.78 is: 119,206,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,184,298.26 : 200,311,350.42 = 86,399,837.78 : x
  2. Step 2: Convert to fraction form
    145,184,298.26/200,311,350.42 = 86,399,837.78/x
  3. Step 3: Cross multiply
    145,184,298.26x = 200,311,350.42 × 86,399,837.78
  4. Step 4: Simplify right side
    145,184,298.26x = 17,306,868,181,780,734
  5. Step 5: Solve for x
    x = 17,306,868,181,780,734/145,184,298.26
  6. Step 6: Final answer
    x = 119,206,197.84

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1.5x scale

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.