Home / 321,672,447.54-482,428,955.10-91,643,525.10

Finding the Fourth Proportional to 321,672,447.54, 482,428,955.10 and 91,643,525.10

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Solution

The fourth proportional to 321,672,447.54, 482,428,955.10 and 91,643,525.10 is: 137,442,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,672,447.54 : 482,428,955.10 = 91,643,525.10 : x
  2. Step 2: Convert to fraction form
    321,672,447.54/482,428,955.10 = 91,643,525.10/x
  3. Step 3: Cross multiply
    321,672,447.54x = 482,428,955.10 × 91,643,525.10
  4. Step 4: Simplify right side
    321,672,447.54x = 44,211,490,055,673,624
  5. Step 5: Solve for x
    x = 44,211,490,055,673,624/321,672,447.54
  6. Step 6: Final answer
    x = 137,442,576.74

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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.