Home / 81,788,828.22-112,866,766.47-45,119,389.50

Finding the Fourth Proportional to 81,788,828.22, 112,866,766.47 and 45,119,389.50

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Solution

The fourth proportional to 81,788,828.22, 112,866,766.47 and 45,119,389.50 is: 62,263,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,788,828.22 : 112,866,766.47 = 45,119,389.50 : x
  2. Step 2: Convert to fraction form
    81,788,828.22/112,866,766.47 = 45,119,389.50/x
  3. Step 3: Cross multiply
    81,788,828.22x = 112,866,766.47 × 45,119,389.50
  4. Step 4: Simplify right side
    81,788,828.22x = 5,092,479,597,965,470
  5. Step 5: Solve for x
    x = 5,092,479,597,965,470/81,788,828.22
  6. Step 6: Final answer
    x = 62,263,755.44

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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.