Home / 299,484,845.80-448,873,374.30-126,961,325.80

Finding the Fourth Proportional to 299,484,845.80, 448,873,374.30 and 126,961,325.80

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Solution

The fourth proportional to 299,484,845.80, 448,873,374.30 and 126,961,325.80 is: 190,291,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,484,845.80 : 448,873,374.30 = 126,961,325.80 : x
  2. Step 2: Convert to fraction form
    299,484,845.80/448,873,374.30 = 126,961,325.80/x
  3. Step 3: Cross multiply
    299,484,845.80x = 448,873,374.30 × 126,961,325.80
  4. Step 4: Simplify right side
    299,484,845.80x = 56,989,558,717,447,648
  5. Step 5: Solve for x
    x = 56,989,558,717,447,648/299,484,845.80
  6. Step 6: Final answer
    x = 190,291,961.40

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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.