Home / 243,681,538.14-365,523,551.37-82,124,873.82

Finding the Fourth Proportional to 243,681,538.14, 365,523,551.37 and 82,124,873.82

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Solution

The fourth proportional to 243,681,538.14, 365,523,551.37 and 82,124,873.82 is: 123,187,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,681,538.14 : 365,523,551.37 = 82,124,873.82 : x
  2. Step 2: Convert to fraction form
    243,681,538.14/365,523,551.37 = 82,124,873.82/x
  3. Step 3: Cross multiply
    243,681,538.14x = 365,523,551.37 × 82,124,873.82
  4. Step 4: Simplify right side
    243,681,538.14x = 30,018,575,534,499,536
  5. Step 5: Solve for x
    x = 30,018,575,534,499,536/243,681,538.14
  6. Step 6: Final answer
    x = 123,187,730.03

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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.