Home / 266,970,666.30-400,455,999.45-113,578,179.90

Finding the Fourth Proportional to 266,970,666.30, 400,455,999.45 and 113,578,179.90

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Solution

The fourth proportional to 266,970,666.30, 400,455,999.45 and 113,578,179.90 is: 170,367,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,970,666.30 : 400,455,999.45 = 113,578,179.90 : x
  2. Step 2: Convert to fraction form
    266,970,666.30/400,455,999.45 = 113,578,179.90/x
  3. Step 3: Cross multiply
    266,970,666.30x = 400,455,999.45 × 113,578,179.90
  4. Step 4: Simplify right side
    266,970,666.30x = 45,483,063,547,566,400
  5. Step 5: Solve for x
    x = 45,483,063,547,566,400/266,970,666.30
  6. Step 6: Final answer
    x = 170,367,269.85

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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.