Home / 152,640,493.80-228,960,740.70-91,418,490.60

Finding the Fourth Proportional to 152,640,493.80, 228,960,740.70 and 91,418,490.60

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Solution

The fourth proportional to 152,640,493.80, 228,960,740.70 and 91,418,490.60 is: 137,127,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,640,493.80 : 228,960,740.70 = 91,418,490.60 : x
  2. Step 2: Convert to fraction form
    152,640,493.80/228,960,740.70 = 91,418,490.60/x
  3. Step 3: Cross multiply
    152,640,493.80x = 228,960,740.70 × 91,418,490.60
  4. Step 4: Simplify right side
    152,640,493.80x = 20,931,245,321,451,984
  5. Step 5: Solve for x
    x = 20,931,245,321,451,984/152,640,493.80
  6. Step 6: Final answer
    x = 137,127,735.90

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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.