Home / 309,726,412.32-464,659,611.44-102,464,332.80

Finding the Fourth Proportional to 309,726,412.32, 464,659,611.44 and 102,464,332.80

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Solution

The fourth proportional to 309,726,412.32, 464,659,611.44 and 102,464,332.80 is: 153,719,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,726,412.32 : 464,659,611.44 = 102,464,332.80 : x
  2. Step 2: Convert to fraction form
    309,726,412.32/464,659,611.44 = 102,464,332.80/x
  3. Step 3: Cross multiply
    309,726,412.32x = 464,659,611.44 × 102,464,332.80
  4. Step 4: Simplify right side
    309,726,412.32x = 47,611,037,063,983,040
  5. Step 5: Solve for x
    x = 47,611,037,063,983,040/309,726,412.32
  6. Step 6: Final answer
    x = 153,719,654.41

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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.