Home / 299,484,849.30-448,873,379.55-126,961,329.30

Finding the Fourth Proportional to 299,484,849.30, 448,873,379.55 and 126,961,329.30

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Solution

The fourth proportional to 299,484,849.30, 448,873,379.55 and 126,961,329.30 is: 190,291,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,484,849.30 : 448,873,379.55 = 126,961,329.30 : x
  2. Step 2: Convert to fraction form
    299,484,849.30/448,873,379.55 = 126,961,329.30/x
  3. Step 3: Cross multiply
    299,484,849.30x = 448,873,379.55 × 126,961,329.30
  4. Step 4: Simplify right side
    299,484,849.30x = 56,989,560,955,051,432
  5. Step 5: Solve for x
    x = 56,989,560,955,051,432/299,484,849.30
  6. Step 6: Final answer
    x = 190,291,966.65

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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.