Home / 299,175,764.71-448,406,613.83-139,243,839.94

Finding the Fourth Proportional to 299,175,764.71, 448,406,613.83 and 139,243,839.94

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Solution

The fourth proportional to 299,175,764.71, 448,406,613.83 and 139,243,839.94 is: 208,699,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,175,764.71 : 448,406,613.83 = 139,243,839.94 : x
  2. Step 2: Convert to fraction form
    299,175,764.71/448,406,613.83 = 139,243,839.94/x
  3. Step 3: Cross multiply
    299,175,764.71x = 448,406,613.83 × 139,243,839.94
  4. Step 4: Simplify right side
    299,175,764.71x = 62,437,858,764,181,904
  5. Step 5: Solve for x
    x = 62,437,858,764,181,904/299,175,764.71
  6. Step 6: Final answer
    x = 208,699,587.76

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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.