Home / 189,291,328.22-261,224,571.04-106,784,857.82

Finding the Fourth Proportional to 189,291,328.22, 261,224,571.04 and 106,784,857.82

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Solution

The fourth proportional to 189,291,328.22, 261,224,571.04 and 106,784,857.82 is: 147,364,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,291,328.22 : 261,224,571.04 = 106,784,857.82 : x
  2. Step 2: Convert to fraction form
    189,291,328.22/261,224,571.04 = 106,784,857.82/x
  3. Step 3: Cross multiply
    189,291,328.22x = 261,224,571.04 × 106,784,857.82
  4. Step 4: Simplify right side
    189,291,328.22x = 27,894,828,677,596,888
  5. Step 5: Solve for x
    x = 27,894,828,677,596,888/189,291,328.22
  6. Step 6: Final answer
    x = 147,364,535.61

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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.