Home / 266,901,762.56-400,413,012.26-144,077,443.72

Finding the Fourth Proportional to 266,901,762.56, 400,413,012.26 and 144,077,443.72

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Solution

The fourth proportional to 266,901,762.56, 400,413,012.26 and 144,077,443.72 is: 216,148,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,901,762.56 : 400,413,012.26 = 144,077,443.72 : x
  2. Step 2: Convert to fraction form
    266,901,762.56/400,413,012.26 = 144,077,443.72/x
  3. Step 3: Cross multiply
    266,901,762.56x = 400,413,012.26 × 144,077,443.72
  4. Step 4: Simplify right side
    266,901,762.56x = 57,690,483,238,645,816
  5. Step 5: Solve for x
    x = 57,690,483,238,645,816/266,901,762.56
  6. Step 6: Final answer
    x = 216,148,753.33

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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.