Home / 266,070,039.40-399,105,059.10-157,230,922.60

Finding the Fourth Proportional to 266,070,039.40, 399,105,059.10 and 157,230,922.60

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Solution

The fourth proportional to 266,070,039.40, 399,105,059.10 and 157,230,922.60 is: 235,846,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,070,039.40 : 399,105,059.10 = 157,230,922.60 : x
  2. Step 2: Convert to fraction form
    266,070,039.40/399,105,059.10 = 157,230,922.60/x
  3. Step 3: Cross multiply
    266,070,039.40x = 399,105,059.10 × 157,230,922.60
  4. Step 4: Simplify right side
    266,070,039.40x = 62,751,656,656,620,528
  5. Step 5: Solve for x
    x = 62,751,656,656,620,528/266,070,039.40
  6. Step 6: Final answer
    x = 235,846,383.90

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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.