Home / 101,624,756.13-140,243,438.94-55,215,785.07

Finding the Fourth Proportional to 101,624,756.13, 140,243,438.94 and 55,215,785.07

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Solution

The fourth proportional to 101,624,756.13, 140,243,438.94 and 55,215,785.07 is: 76,198,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,624,756.13 : 140,243,438.94 = 55,215,785.07 : x
  2. Step 2: Convert to fraction form
    101,624,756.13/140,243,438.94 = 55,215,785.07/x
  3. Step 3: Cross multiply
    101,624,756.13x = 140,243,438.94 × 55,215,785.07
  4. Step 4: Simplify right side
    101,624,756.13x = 7,743,651,581,988,709
  5. Step 5: Solve for x
    x = 7,743,651,581,988,709/101,624,756.13
  6. Step 6: Final answer
    x = 76,198,476.40

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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.