Home / 139,392,744.33-192,339,727.60-77,513,533.05

Finding the Fourth Proportional to 139,392,744.33, 192,339,727.60 and 77,513,533.05

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Solution

The fourth proportional to 139,392,744.33, 192,339,727.60 and 77,513,533.05 is: 106,956,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,392,744.33 : 192,339,727.60 = 77,513,533.05 : x
  2. Step 2: Convert to fraction form
    139,392,744.33/192,339,727.60 = 77,513,533.05/x
  3. Step 3: Cross multiply
    139,392,744.33x = 192,339,727.60 × 77,513,533.05
  4. Step 4: Simplify right side
    139,392,744.33x = 14,908,931,832,150,596
  5. Step 5: Solve for x
    x = 14,908,931,832,150,596/139,392,744.33
  6. Step 6: Final answer
    x = 106,956,297.50

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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.