Home / 266,112,215.40-398,869,724.70-151,151,831.40

Finding the Fourth Proportional to 266,112,215.40, 398,869,724.70 and 151,151,831.40

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Solution

The fourth proportional to 266,112,215.40, 398,869,724.70 and 151,151,831.40 is: 226,558,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,215.40 : 398,869,724.70 = 151,151,831.40 : x
  2. Step 2: Convert to fraction form
    266,112,215.40/398,869,724.70 = 151,151,831.40/x
  3. Step 3: Cross multiply
    266,112,215.40x = 398,869,724.70 × 151,151,831.40
  4. Step 4: Simplify right side
    266,112,215.40x = 60,289,889,378,418,816
  5. Step 5: Solve for x
    x = 60,289,889,378,418,816/266,112,215.40
  6. Step 6: Final answer
    x = 226,558,143.10

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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.