Home / 161,607,291.37-223,018,743.13-91,043,748.20

Finding the Fourth Proportional to 161,607,291.37, 223,018,743.13 and 91,043,748.20

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Solution

The fourth proportional to 161,607,291.37, 223,018,743.13 and 91,043,748.20 is: 125,640,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607,291.37 : 223,018,743.13 = 91,043,748.20 : x
  2. Step 2: Convert to fraction form
    161,607,291.37/223,018,743.13 = 91,043,748.20/x
  3. Step 3: Cross multiply
    161,607,291.37x = 223,018,743.13 × 91,043,748.20
  4. Step 4: Simplify right side
    161,607,291.37x = 20,304,462,293,738,136
  5. Step 5: Solve for x
    x = 20,304,462,293,738,136/161,607,291.37
  6. Step 6: Final answer
    x = 125,640,756.19

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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.