Home / 231,963,618.60-347,945,427.90-155,522,428.20

Finding the Fourth Proportional to 231,963,618.60, 347,945,427.90 and 155,522,428.20

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Solution

The fourth proportional to 231,963,618.60, 347,945,427.90 and 155,522,428.20 is: 233,283,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,963,618.60 : 347,945,427.90 = 155,522,428.20 : x
  2. Step 2: Convert to fraction form
    231,963,618.60/347,945,427.90 = 155,522,428.20/x
  3. Step 3: Cross multiply
    231,963,618.60x = 347,945,427.90 × 155,522,428.20
  4. Step 4: Simplify right side
    231,963,618.60x = 54,113,317,828,096,016
  5. Step 5: Solve for x
    x = 54,113,317,828,096,016/231,963,618.60
  6. Step 6: Final answer
    x = 233,283,642.30

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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.