Home / 130,810,682.88-196,244,755.08-38,687,238.77

Finding the Fourth Proportional to 130,810,682.88, 196,244,755.08 and 38,687,238.77

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Solution

The fourth proportional to 130,810,682.88, 196,244,755.08 and 38,687,238.77 is: 58,039,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,810,682.88 : 196,244,755.08 = 38,687,238.77 : x
  2. Step 2: Convert to fraction form
    130,810,682.88/196,244,755.08 = 38,687,238.77/x
  3. Step 3: Cross multiply
    130,810,682.88x = 196,244,755.08 × 38,687,238.77
  4. Step 4: Simplify right side
    130,810,682.88x = 7,592,167,696,158,907
  5. Step 5: Solve for x
    x = 7,592,167,696,158,907/130,810,682.88
  6. Step 6: Final answer
    x = 58,039,355.27

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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.