Home / 311,308,448.64-429,605,753.28-170,180,282.88

Finding the Fourth Proportional to 311,308,448.64, 429,605,753.28 and 170,180,282.88

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Solution

The fourth proportional to 311,308,448.64, 429,605,753.28 and 170,180,282.88 is: 234,848,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,308,448.64 : 429,605,753.28 = 170,180,282.88 : x
  2. Step 2: Convert to fraction form
    311,308,448.64/429,605,753.28 = 170,180,282.88/x
  3. Step 3: Cross multiply
    311,308,448.64x = 429,605,753.28 × 170,180,282.88
  4. Step 4: Simplify right side
    311,308,448.64x = 73,110,428,620,065,888
  5. Step 5: Solve for x
    x = 73,110,428,620,065,888/311,308,448.64
  6. Step 6: Final answer
    x = 234,848,841.85

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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.