Home / 100,887,301.70-151,330,952.55-66,449,924.90

Finding the Fourth Proportional to 100,887,301.70, 151,330,952.55 and 66,449,924.90

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Solution

The fourth proportional to 100,887,301.70, 151,330,952.55 and 66,449,924.90 is: 99,674,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887,301.70 : 151,330,952.55 = 66,449,924.90 : x
  2. Step 2: Convert to fraction form
    100,887,301.70/151,330,952.55 = 66,449,924.90/x
  3. Step 3: Cross multiply
    100,887,301.70x = 151,330,952.55 × 66,449,924.90
  4. Step 4: Simplify right side
    100,887,301.70x = 10,055,930,431,992,964
  5. Step 5: Solve for x
    x = 10,055,930,431,992,964/100,887,301.70
  6. Step 6: Final answer
    x = 99,674,887.35

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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.