Home / 91,267,341.57-136,808,839.40-57,212,556.93

Finding the Fourth Proportional to 91,267,341.57, 136,808,839.40 and 57,212,556.93

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Solution

The fourth proportional to 91,267,341.57, 136,808,839.40 and 57,212,556.93 is: 85,761,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,267,341.57 : 136,808,839.40 = 57,212,556.93 : x
  2. Step 2: Convert to fraction form
    91,267,341.57/136,808,839.40 = 57,212,556.93/x
  3. Step 3: Cross multiply
    91,267,341.57x = 136,808,839.40 × 57,212,556.93
  4. Step 4: Simplify right side
    91,267,341.57x = 7,827,183,512,413,665
  5. Step 5: Solve for x
    x = 7,827,183,512,413,665/91,267,341.57
  6. Step 6: Final answer
    x = 85,761,055.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.