Home / 134,723,292.54-185,917,061.79-78,213,282.54

Finding the Fourth Proportional to 134,723,292.54, 185,917,061.79 and 78,213,282.54

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Solution

The fourth proportional to 134,723,292.54, 185,917,061.79 and 78,213,282.54 is: 107,933,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,723,292.54 : 185,917,061.79 = 78,213,282.54 : x
  2. Step 2: Convert to fraction form
    134,723,292.54/185,917,061.79 = 78,213,282.54/x
  3. Step 3: Cross multiply
    134,723,292.54x = 185,917,061.79 × 78,213,282.54
  4. Step 4: Simplify right side
    134,723,292.54x = 14,541,183,682,787,908
  5. Step 5: Solve for x
    x = 14,541,183,682,787,908/134,723,292.54
  6. Step 6: Final answer
    x = 107,933,701.80

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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.