Home / 101,502,729.28-140,070,015.62-55,091,986.75

Finding the Fourth Proportional to 101,502,729.28, 140,070,015.62 and 55,091,986.75

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Solution

The fourth proportional to 101,502,729.28, 140,070,015.62 and 55,091,986.75 is: 76,024,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,502,729.28 : 140,070,015.62 = 55,091,986.75 : x
  2. Step 2: Convert to fraction form
    101,502,729.28/140,070,015.62 = 55,091,986.75/x
  3. Step 3: Cross multiply
    101,502,729.28x = 140,070,015.62 × 55,091,986.75
  4. Step 4: Simplify right side
    101,502,729.28x = 7,716,735,443,983,699
  5. Step 5: Solve for x
    x = 7,716,735,443,983,699/101,502,729.28
  6. Step 6: Final answer
    x = 76,024,905.92

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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.