Home / 315,765,920.88-435,734,849.64-183,597,540.72

Finding the Fourth Proportional to 315,765,920.88, 435,734,849.64 and 183,597,540.72

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Solution

The fourth proportional to 315,765,920.88, 435,734,849.64 and 183,597,540.72 is: 253,351,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,765,920.88 : 435,734,849.64 = 183,597,540.72 : x
  2. Step 2: Convert to fraction form
    315,765,920.88/435,734,849.64 = 183,597,540.72/x
  3. Step 3: Cross multiply
    315,765,920.88x = 435,734,849.64 × 183,597,540.72
  4. Step 4: Simplify right side
    315,765,920.88x = 79,999,846,799,902,976
  5. Step 5: Solve for x
    x = 79,999,846,799,902,976/315,765,920.88
  6. Step 6: Final answer
    x = 253,351,744.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.