Home / 266,821,080.65-400,300,625.07-156,250,129.98

Finding the Fourth Proportional to 266,821,080.65, 400,300,625.07 and 156,250,129.98

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Solution

The fourth proportional to 266,821,080.65, 400,300,625.07 and 156,250,129.98 is: 234,415,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,821,080.65 : 400,300,625.07 = 156,250,129.98 : x
  2. Step 2: Convert to fraction form
    266,821,080.65/400,300,625.07 = 156,250,129.98/x
  3. Step 3: Cross multiply
    266,821,080.65x = 400,300,625.07 × 156,250,129.98
  4. Step 4: Simplify right side
    266,821,080.65x = 62,547,024,698,262,744
  5. Step 5: Solve for x
    x = 62,547,024,698,262,744/266,821,080.65
  6. Step 6: Final answer
    x = 234,415,603.69

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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.