Home / 291,369,891.60-437,054,837.40-75,959,139.60

Finding the Fourth Proportional to 291,369,891.60, 437,054,837.40 and 75,959,139.60

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Solution

The fourth proportional to 291,369,891.60, 437,054,837.40 and 75,959,139.60 is: 113,938,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,369,891.60 : 437,054,837.40 = 75,959,139.60 : x
  2. Step 2: Convert to fraction form
    291,369,891.60/437,054,837.40 = 75,959,139.60/x
  3. Step 3: Cross multiply
    291,369,891.60x = 437,054,837.40 × 75,959,139.60
  4. Step 4: Simplify right side
    291,369,891.60x = 33,198,309,406,921,896
  5. Step 5: Solve for x
    x = 33,198,309,406,921,896/291,369,891.60
  6. Step 6: Final answer
    x = 113,938,709.40

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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.