Home / 53,322,142.17-73,563,723.14-30,991,417.77

Finding the Fourth Proportional to 53,322,142.17, 73,563,723.14 and 30,991,417.77

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Solution

The fourth proportional to 53,322,142.17, 73,563,723.14 and 30,991,417.77 is: 42,756,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322,142.17 : 73,563,723.14 = 30,991,417.77 : x
  2. Step 2: Convert to fraction form
    53,322,142.17/73,563,723.14 = 30,991,417.77/x
  3. Step 3: Cross multiply
    53,322,142.17x = 73,563,723.14 × 30,991,417.77
  4. Step 4: Simplify right side
    53,322,142.17x = 2,279,844,076,393,399
  5. Step 5: Solve for x
    x = 2,279,844,076,393,399/53,322,142.17
  6. Step 6: Final answer
    x = 42,756,048.12

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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.