Home / 54,306,085.40-81,459,128.10-31,347,834.20

Finding the Fourth Proportional to 54,306,085.40, 81,459,128.10 and 31,347,834.20

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Solution

The fourth proportional to 54,306,085.40, 81,459,128.10 and 31,347,834.20 is: 47,021,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306,085.40 : 81,459,128.10 = 31,347,834.20 : x
  2. Step 2: Convert to fraction form
    54,306,085.40/81,459,128.10 = 31,347,834.20/x
  3. Step 3: Cross multiply
    54,306,085.40x = 81,459,128.10 × 31,347,834.20
  4. Step 4: Simplify right side
    54,306,085.40x = 2,553,567,241,755,361
  5. Step 5: Solve for x
    x = 2,553,567,241,755,361/54,306,085.40
  6. Step 6: Final answer
    x = 47,021,751.30

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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.