Home / 87,749,522.21-121,133,448.80-57,998,089.57

Finding the Fourth Proportional to 87,749,522.21, 121,133,448.80 and 57,998,089.57

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Solution

The fourth proportional to 87,749,522.21, 121,133,448.80 and 57,998,089.57 is: 80,063,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,749,522.21 : 121,133,448.80 = 57,998,089.57 : x
  2. Step 2: Convert to fraction form
    87,749,522.21/121,133,448.80 = 57,998,089.57/x
  3. Step 3: Cross multiply
    87,749,522.21x = 121,133,448.80 × 57,998,089.57
  4. Step 4: Simplify right side
    87,749,522.21x = 7,025,508,613,425,409
  5. Step 5: Solve for x
    x = 7,025,508,613,425,409/87,749,522.21
  6. Step 6: Final answer
    x = 80,063,212.16

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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.