Home / 77,588,742.16-116,375,556.21-31,533,372.55

Finding the Fourth Proportional to 77,588,742.16, 116,375,556.21 and 31,533,372.55

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Solution

The fourth proportional to 77,588,742.16, 116,375,556.21 and 31,533,372.55 is: 47,296,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,588,742.16 : 116,375,556.21 = 31,533,372.55 : x
  2. Step 2: Convert to fraction form
    77,588,742.16/116,375,556.21 = 31,533,372.55/x
  3. Step 3: Cross multiply
    77,588,742.16x = 116,375,556.21 × 31,533,372.55
  4. Step 4: Simplify right side
    77,588,742.16x = 3,669,713,769,683,396
  5. Step 5: Solve for x
    x = 3,669,713,769,683,396/77,588,742.16
  6. Step 6: Final answer
    x = 47,296,987.52

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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.