Home / 130,383,135.50-179,748,937.36-104,010,998.72

Finding the Fourth Proportional to 130,383,135.50, 179,748,937.36 and 104,010,998.72

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Solution

The fourth proportional to 130,383,135.50, 179,748,937.36 and 104,010,998.72 is: 143,391,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,383,135.50 : 179,748,937.36 = 104,010,998.72 : x
  2. Step 2: Convert to fraction form
    130,383,135.50/179,748,937.36 = 104,010,998.72/x
  3. Step 3: Cross multiply
    130,383,135.50x = 179,748,937.36 × 104,010,998.72
  4. Step 4: Simplify right side
    130,383,135.50x = 18,695,866,493,672,320
  5. Step 5: Solve for x
    x = 18,695,866,493,672,320/130,383,135.50
  6. Step 6: Final answer
    x = 143,391,754.02

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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.