Home / 61,631,868.64-85,051,902-34,129,763.68

Finding the Fourth Proportional to 61,631,868.64, 85,051,902 and 34,129,763.68

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Solution

The fourth proportional to 61,631,868.64, 85,051,902 and 34,129,763.68 is: 47,099,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631,868.64 : 85,051,902 = 34,129,763.68 : x
  2. Step 2: Convert to fraction form
    61,631,868.64/85,051,902 = 34,129,763.68/x
  3. Step 3: Cross multiply
    61,631,868.64x = 85,051,902 × 34,129,763.68
  4. Step 4: Simplify right side
    61,631,868.64x = 2,902,801,315,794,519.50
  5. Step 5: Solve for x
    x = 2,902,801,315,794,519.50/61,631,868.64
  6. Step 6: Final answer
    x = 47,099,031.39

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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.