Home / 154,621,185.12-231,427,095.84-113,669,775.36

Finding the Fourth Proportional to 154,621,185.12, 231,427,095.84 and 113,669,775.36

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Solution

The fourth proportional to 154,621,185.12, 231,427,095.84 and 113,669,775.36 is: 170,133,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,621,185.12 : 231,427,095.84 = 113,669,775.36 : x
  2. Step 2: Convert to fraction form
    154,621,185.12/231,427,095.84 = 113,669,775.36/x
  3. Step 3: Cross multiply
    154,621,185.12x = 231,427,095.84 × 113,669,775.36
  4. Step 4: Simplify right side
    154,621,185.12x = 26,306,265,996,349,992
  5. Step 5: Solve for x
    x = 26,306,265,996,349,992/154,621,185.12
  6. Step 6: Final answer
    x = 170,133,646.15

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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.