Home / 185,858,697.29-278,819,807.35-76,624,155.17

Finding the Fourth Proportional to 185,858,697.29, 278,819,807.35 and 76,624,155.17

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Solution

The fourth proportional to 185,858,697.29, 278,819,807.35 and 76,624,155.17 is: 114,949,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858,697.29 : 278,819,807.35 = 76,624,155.17 : x
  2. Step 2: Convert to fraction form
    185,858,697.29/278,819,807.35 = 76,624,155.17/x
  3. Step 3: Cross multiply
    185,858,697.29x = 278,819,807.35 × 76,624,155.17
  4. Step 4: Simplify right side
    185,858,697.29x = 21,364,332,183,361,396
  5. Step 5: Solve for x
    x = 21,364,332,183,361,396/185,858,697.29
  6. Step 6: Final answer
    x = 114,949,327.07

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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.