Home / 81,885,668.22-122,787,430.47-27,279,055.71

Finding the Fourth Proportional to 81,885,668.22, 122,787,430.47 and 27,279,055.71

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Solution

The fourth proportional to 81,885,668.22, 122,787,430.47 and 27,279,055.71 is: 40,904,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,885,668.22 : 122,787,430.47 = 27,279,055.71 : x
  2. Step 2: Convert to fraction form
    81,885,668.22/122,787,430.47 = 27,279,055.71/x
  3. Step 3: Cross multiply
    81,885,668.22x = 122,787,430.47 × 27,279,055.71
  4. Step 4: Simplify right side
    81,885,668.22x = 3,349,525,156,278,881.50
  5. Step 5: Solve for x
    x = 3,349,525,156,278,881.50/81,885,668.22
  6. Step 6: Final answer
    x = 40,904,901.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.