Home / 71,857,322.29-99,163,006.77-40,917,491.47

Finding the Fourth Proportional to 71,857,322.29, 99,163,006.77 and 40,917,491.47

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Solution

The fourth proportional to 71,857,322.29, 99,163,006.77 and 40,917,491.47 is: 56,466,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,857,322.29 : 99,163,006.77 = 40,917,491.47 : x
  2. Step 2: Convert to fraction form
    71,857,322.29/99,163,006.77 = 40,917,491.47/x
  3. Step 3: Cross multiply
    71,857,322.29x = 99,163,006.77 × 40,917,491.47
  4. Step 4: Simplify right side
    71,857,322.29x = 4,057,501,483,651,027
  5. Step 5: Solve for x
    x = 4,057,501,483,651,027/71,857,322.29
  6. Step 6: Final answer
    x = 56,466,082.43

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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.