Home / 123,705,409.72-185,556,933.04-75,196,656.76

Finding the Fourth Proportional to 123,705,409.72, 185,556,933.04 and 75,196,656.76

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Solution

The fourth proportional to 123,705,409.72, 185,556,933.04 and 75,196,656.76 is: 112,794,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,705,409.72 : 185,556,933.04 = 75,196,656.76 : x
  2. Step 2: Convert to fraction form
    123,705,409.72/185,556,933.04 = 75,196,656.76/x
  3. Step 3: Cross multiply
    123,705,409.72x = 185,556,933.04 × 75,196,656.76
  4. Step 4: Simplify right side
    123,705,409.72x = 13,953,261,003,247,184
  5. Step 5: Solve for x
    x = 13,953,261,003,247,184/123,705,409.72
  6. Step 6: Final answer
    x = 112,794,266.92

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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.