Home / 243,605,577.69-365,429,847.43-68,730,141.69

Finding the Fourth Proportional to 243,605,577.69, 365,429,847.43 and 68,730,141.69

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Solution

The fourth proportional to 243,605,577.69, 365,429,847.43 and 68,730,141.69 is: 103,101,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,605,577.69 : 365,429,847.43 = 68,730,141.69 : x
  2. Step 2: Convert to fraction form
    243,605,577.69/365,429,847.43 = 68,730,141.69/x
  3. Step 3: Cross multiply
    243,605,577.69x = 365,429,847.43 × 68,730,141.69
  4. Step 4: Simplify right side
    243,605,577.69x = 25,116,045,191,704,892
  5. Step 5: Solve for x
    x = 25,116,045,191,704,892/243,605,577.69
  6. Step 6: Final answer
    x = 103,101,273.09

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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.