Home / 243,605,577.25-365,429,846.78-68,730,141.25

Finding the Fourth Proportional to 243,605,577.25, 365,429,846.78 and 68,730,141.25

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Solution

The fourth proportional to 243,605,577.25, 365,429,846.78 and 68,730,141.25 is: 103,101,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,605,577.25 : 365,429,846.78 = 68,730,141.25 : x
  2. Step 2: Convert to fraction form
    243,605,577.25/365,429,846.78 = 68,730,141.25/x
  3. Step 3: Cross multiply
    243,605,577.25x = 365,429,846.78 × 68,730,141.25
  4. Step 4: Simplify right side
    243,605,577.25x = 25,116,044,986,155,256
  5. Step 5: Solve for x
    x = 25,116,044,986,155,256/243,605,577.25
  6. Step 6: Final answer
    x = 103,101,272.43

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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.