Home / 119,366,131.82-179,038,941.40-72,667,498.07

Finding the Fourth Proportional to 119,366,131.82, 179,038,941.40 and 72,667,498.07

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Solution

The fourth proportional to 119,366,131.82, 179,038,941.40 and 72,667,498.07 is: 108,995,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,366,131.82 : 179,038,941.40 = 72,667,498.07 : x
  2. Step 2: Convert to fraction form
    119,366,131.82/179,038,941.40 = 72,667,498.07/x
  3. Step 3: Cross multiply
    119,366,131.82x = 179,038,941.40 × 72,667,498.07
  4. Step 4: Simplify right side
    119,366,131.82x = 13,010,311,929,177,776
  5. Step 5: Solve for x
    x = 13,010,311,929,177,776/119,366,131.82
  6. Step 6: Final answer
    x = 108,995,003.28

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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.