Home / 86,191,896.28-129,212,145.04-35,116,873.24

Finding the Fourth Proportional to 86,191,896.28, 129,212,145.04 and 35,116,873.24

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Solution

The fourth proportional to 86,191,896.28, 129,212,145.04 and 35,116,873.24 is: 52,644,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,191,896.28 : 129,212,145.04 = 35,116,873.24 : x
  2. Step 2: Convert to fraction form
    86,191,896.28/129,212,145.04 = 35,116,873.24/x
  3. Step 3: Cross multiply
    86,191,896.28x = 129,212,145.04 × 35,116,873.24
  4. Step 4: Simplify right side
    86,191,896.28x = 4,537,526,518,438,175
  5. Step 5: Solve for x
    x = 4,537,526,518,438,175/86,191,896.28
  6. Step 6: Final answer
    x = 52,644,467.92

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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.