Home / 266,112,406.40-398,870,011.20-151,152,022.40

Finding the Fourth Proportional to 266,112,406.40, 398,870,011.20 and 151,152,022.40

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Solution

The fourth proportional to 266,112,406.40, 398,870,011.20 and 151,152,022.40 is: 226,558,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,406.40 : 398,870,011.20 = 151,152,022.40 : x
  2. Step 2: Convert to fraction form
    266,112,406.40/398,870,011.20 = 151,152,022.40/x
  3. Step 3: Cross multiply
    266,112,406.40x = 398,870,011.20 × 151,152,022.40
  4. Step 4: Simplify right side
    266,112,406.40x = 60,290,008,867,590,648
  5. Step 5: Solve for x
    x = 60,290,008,867,590,648/266,112,406.40
  6. Step 6: Final answer
    x = 226,558,429.51

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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.