Home / 189,921,262.33-284,733,069.03-74,991,831.67

Finding the Fourth Proportional to 189,921,262.33, 284,733,069.03 and 74,991,831.67

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Solution

The fourth proportional to 189,921,262.33, 284,733,069.03 and 74,991,831.67 is: 112,428,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,921,262.33 : 284,733,069.03 = 74,991,831.67 : x
  2. Step 2: Convert to fraction form
    189,921,262.33/284,733,069.03 = 74,991,831.67/x
  3. Step 3: Cross multiply
    189,921,262.33x = 284,733,069.03 × 74,991,831.67
  4. Step 4: Simplify right side
    189,921,262.33x = 21,352,654,382,156,584
  5. Step 5: Solve for x
    x = 21,352,654,382,156,584/189,921,262.33
  6. Step 6: Final answer
    x = 112,428,983.05

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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.