Home / 207,643,538.70-311,465,308.05-173,883,257.10

Finding the Fourth Proportional to 207,643,538.70, 311,465,308.05 and 173,883,257.10

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Solution

The fourth proportional to 207,643,538.70, 311,465,308.05 and 173,883,257.10 is: 260,824,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,643,538.70 : 311,465,308.05 = 173,883,257.10 : x
  2. Step 2: Convert to fraction form
    207,643,538.70/311,465,308.05 = 173,883,257.10/x
  3. Step 3: Cross multiply
    207,643,538.70x = 311,465,308.05 × 173,883,257.10
  4. Step 4: Simplify right side
    207,643,538.70x = 54,158,602,237,388,848
  5. Step 5: Solve for x
    x = 54,158,602,237,388,848/207,643,538.70
  6. Step 6: Final answer
    x = 260,824,885.65

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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.