Home / 103,236,384-142,469,969.16-56,191,185.24

Finding the Fourth Proportional to 103,236,384, 142,469,969.16 and 56,191,185.24

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Solution

The fourth proportional to 103,236,384, 142,469,969.16 and 56,191,185.24 is: 77,545,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,236,384 : 142,469,969.16 = 56,191,185.24 : x
  2. Step 2: Convert to fraction form
    103,236,384/142,469,969.16 = 56,191,185.24/x
  3. Step 3: Cross multiply
    103,236,384x = 142,469,969.16 × 56,191,185.24
  4. Step 4: Simplify right side
    103,236,384x = 8,005,556,428,206,647
  5. Step 5: Solve for x
    x = 8,005,556,428,206,647/103,236,384
  6. Step 6: Final answer
    x = 77,545,881.77

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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.