Home / 272,056,715.28-375,424,101.45-154,565,739

Finding the Fourth Proportional to 272,056,715.28, 375,424,101.45 and 154,565,739

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Solution

The fourth proportional to 272,056,715.28, 375,424,101.45 and 154,565,739 is: 213,292,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,056,715.28 : 375,424,101.45 = 154,565,739 : x
  2. Step 2: Convert to fraction form
    272,056,715.28/375,424,101.45 = 154,565,739/x
  3. Step 3: Cross multiply
    272,056,715.28x = 375,424,101.45 × 154,565,739
  4. Step 4: Simplify right side
    272,056,715.28x = 58,027,703,679,030,216
  5. Step 5: Solve for x
    x = 58,027,703,679,030,216/272,056,715.28
  6. Step 6: Final answer
    x = 213,292,671.78

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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.