Home / 91,003,536.30-136,505,304.45-39,985,200.30

Finding the Fourth Proportional to 91,003,536.30, 136,505,304.45 and 39,985,200.30

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Solution

The fourth proportional to 91,003,536.30, 136,505,304.45 and 39,985,200.30 is: 59,977,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,003,536.30 : 136,505,304.45 = 39,985,200.30 : x
  2. Step 2: Convert to fraction form
    91,003,536.30/136,505,304.45 = 39,985,200.30/x
  3. Step 3: Cross multiply
    91,003,536.30x = 136,505,304.45 × 39,985,200.30
  4. Step 4: Simplify right side
    91,003,536.30x = 5,458,191,940,445,730
  5. Step 5: Solve for x
    x = 5,458,191,940,445,730/91,003,536.30
  6. Step 6: Final answer
    x = 59,977,800.45

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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.