Home / 272,414,218.72-375,939,561-148,662,866.92

Finding the Fourth Proportional to 272,414,218.72, 375,939,561 and 148,662,866.92

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Solution

The fourth proportional to 272,414,218.72, 375,939,561 and 148,662,866.92 is: 205,159,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,414,218.72 : 375,939,561 = 148,662,866.92 : x
  2. Step 2: Convert to fraction form
    272,414,218.72/375,939,561 = 148,662,866.92/x
  3. Step 3: Cross multiply
    272,414,218.72x = 375,939,561 × 148,662,866.92
  4. Step 4: Simplify right side
    272,414,218.72x = 55,888,252,926,906,216
  5. Step 5: Solve for x
    x = 55,888,252,926,906,216/272,414,218.72
  6. Step 6: Final answer
    x = 205,159,088.94

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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.