Home / 130,702,924.80-195,755,788.80-76,955,212.80

Finding the Fourth Proportional to 130,702,924.80, 195,755,788.80 and 76,955,212.80

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Solution

The fourth proportional to 130,702,924.80, 195,755,788.80 and 76,955,212.80 is: 115,257,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,702,924.80 : 195,755,788.80 = 76,955,212.80 : x
  2. Step 2: Convert to fraction form
    130,702,924.80/195,755,788.80 = 76,955,212.80/x
  3. Step 3: Cross multiply
    130,702,924.80x = 195,755,788.80 × 76,955,212.80
  4. Step 4: Simplify right side
    130,702,924.80x = 15,064,428,383,935,856
  5. Step 5: Solve for x
    x = 15,064,428,383,935,856/130,702,924.80
  6. Step 6: Final answer
    x = 115,257,010.56

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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.