Home / 243,605,576.25-365,429,845.28-68,730,140.25

Finding the Fourth Proportional to 243,605,576.25, 365,429,845.28 and 68,730,140.25

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Solution

The fourth proportional to 243,605,576.25, 365,429,845.28 and 68,730,140.25 is: 103,101,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,605,576.25 : 365,429,845.28 = 68,730,140.25 : x
  2. Step 2: Convert to fraction form
    243,605,576.25/365,429,845.28 = 68,730,140.25/x
  3. Step 3: Cross multiply
    243,605,576.25x = 365,429,845.28 × 68,730,140.25
  4. Step 4: Simplify right side
    243,605,576.25x = 25,116,044,516,372,976
  5. Step 5: Solve for x
    x = 25,116,044,516,372,976/243,605,576.25
  6. Step 6: Final answer
    x = 103,101,270.93

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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.