Home / 71,908,298.26-99,243,174.82-40,552,795.38

Finding the Fourth Proportional to 71,908,298.26, 99,243,174.82 and 40,552,795.38

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Solution

The fourth proportional to 71,908,298.26, 99,243,174.82 and 40,552,795.38 is: 55,968,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,908,298.26 : 99,243,174.82 = 40,552,795.38 : x
  2. Step 2: Convert to fraction form
    71,908,298.26/99,243,174.82 = 40,552,795.38/x
  3. Step 3: Cross multiply
    71,908,298.26x = 99,243,174.82 × 40,552,795.38
  4. Step 4: Simplify right side
    71,908,298.26x = 4,024,588,161,337,028.50
  5. Step 5: Solve for x
    x = 4,024,588,161,337,028.50/71,908,298.26
  6. Step 6: Final answer
    x = 55,968,341.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.