Home / 53,901,347.90-80,852,021.85-21,537,247.10

Finding the Fourth Proportional to 53,901,347.90, 80,852,021.85 and 21,537,247.10

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Solution

The fourth proportional to 53,901,347.90, 80,852,021.85 and 21,537,247.10 is: 32,305,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901,347.90 : 80,852,021.85 = 21,537,247.10 : x
  2. Step 2: Convert to fraction form
    53,901,347.90/80,852,021.85 = 21,537,247.10/x
  3. Step 3: Cross multiply
    53,901,347.90x = 80,852,021.85 × 21,537,247.10
  4. Step 4: Simplify right side
    53,901,347.90x = 1,741,329,973,118,049.25
  5. Step 5: Solve for x
    x = 1,741,329,973,118,049.25/53,901,347.90
  6. Step 6: Final answer
    x = 32,305,870.65

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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.