Home / 161,370,802.53-222,674,537.22-90,805,183.03

Finding the Fourth Proportional to 161,370,802.53, 222,674,537.22 and 90,805,183.03

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Solution

The fourth proportional to 161,370,802.53, 222,674,537.22 and 90,805,183.03 is: 125,301,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,370,802.53 : 222,674,537.22 = 90,805,183.03 : x
  2. Step 2: Convert to fraction form
    161,370,802.53/222,674,537.22 = 90,805,183.03/x
  3. Step 3: Cross multiply
    161,370,802.53x = 222,674,537.22 × 90,805,183.03
  4. Step 4: Simplify right side
    161,370,802.53x = 20,220,002,108,502,280
  5. Step 5: Solve for x
    x = 20,220,002,108,502,280/161,370,802.53
  6. Step 6: Final answer
    x = 125,301,490.68

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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.