Home / 144,349,474.43-199,206,191.63-81,634,950.66

Finding the Fourth Proportional to 144,349,474.43, 199,206,191.63 and 81,634,950.66

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Solution

The fourth proportional to 144,349,474.43, 199,206,191.63 and 81,634,950.66 is: 112,658,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,349,474.43 : 199,206,191.63 = 81,634,950.66 : x
  2. Step 2: Convert to fraction form
    144,349,474.43/199,206,191.63 = 81,634,950.66/x
  3. Step 3: Cross multiply
    144,349,474.43x = 199,206,191.63 × 81,634,950.66
  4. Step 4: Simplify right side
    144,349,474.43x = 16,262,187,625,085,642
  5. Step 5: Solve for x
    x = 16,262,187,625,085,642/144,349,474.43
  6. Step 6: Final answer
    x = 112,658,447.08

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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.