Home / 131,322,301.64-181,228,630.28-71,786,887.89

Finding the Fourth Proportional to 131,322,301.64, 181,228,630.28 and 71,786,887.89

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Solution

The fourth proportional to 131,322,301.64, 181,228,630.28 and 71,786,887.89 is: 99,068,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,322,301.64 : 181,228,630.28 = 71,786,887.89 : x
  2. Step 2: Convert to fraction form
    131,322,301.64/181,228,630.28 = 71,786,887.89/x
  3. Step 3: Cross multiply
    131,322,301.64x = 181,228,630.28 × 71,786,887.89
  4. Step 4: Simplify right side
    131,322,301.64x = 13,009,839,364,009,686
  5. Step 5: Solve for x
    x = 13,009,839,364,009,686/131,322,301.64
  6. Step 6: Final answer
    x = 99,068,012.07

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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.