Home / 101,687,412.32-140,329,532.40-55,277,740.88

Finding the Fourth Proportional to 101,687,412.32, 140,329,532.40 and 55,277,740.88

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Solution

The fourth proportional to 101,687,412.32, 140,329,532.40 and 55,277,740.88 is: 76,283,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,687,412.32 : 140,329,532.40 = 55,277,740.88 : x
  2. Step 2: Convert to fraction form
    101,687,412.32/140,329,532.40 = 55,277,740.88/x
  3. Step 3: Cross multiply
    101,687,412.32x = 140,329,532.40 × 55,277,740.88
  4. Step 4: Simplify right side
    101,687,412.32x = 7,757,099,529,818,765
  5. Step 5: Solve for x
    x = 7,757,099,529,818,765/101,687,412.32
  6. Step 6: Final answer
    x = 76,283,773.51

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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.