Home / 161,989,185.49-223,574,175.41-91,446,297.64

Finding the Fourth Proportional to 161,989,185.49, 223,574,175.41 and 91,446,297.64

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Solution

The fourth proportional to 161,989,185.49, 223,574,175.41 and 91,446,297.64 is: 126,212,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,989,185.49 : 223,574,175.41 = 91,446,297.64 : x
  2. Step 2: Convert to fraction form
    161,989,185.49/223,574,175.41 = 91,446,297.64/x
  3. Step 3: Cross multiply
    161,989,185.49x = 223,574,175.41 × 91,446,297.64
  4. Step 4: Simplify right side
    161,989,185.49x = 20,445,030,588,144,264
  5. Step 5: Solve for x
    x = 20,445,030,588,144,264/161,989,185.49
  6. Step 6: Final answer
    x = 126,212,317.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.