Home / 266,185,547.44-399,217,959.72-120,522,949.36

Finding the Fourth Proportional to 266,185,547.44, 399,217,959.72 and 120,522,949.36

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Solution

The fourth proportional to 266,185,547.44, 399,217,959.72 and 120,522,949.36 is: 180,757,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,185,547.44 : 399,217,959.72 = 120,522,949.36 : x
  2. Step 2: Convert to fraction form
    266,185,547.44/399,217,959.72 = 120,522,949.36/x
  3. Step 3: Cross multiply
    266,185,547.44x = 399,217,959.72 × 120,522,949.36
  4. Step 4: Simplify right side
    266,185,547.44x = 48,114,925,942,936,080
  5. Step 5: Solve for x
    x = 48,114,925,942,936,080/266,185,547.44
  6. Step 6: Final answer
    x = 180,757,093.71

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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.