Home / 53,638,862.20-80,458,293.30-19,561,319.80

Finding the Fourth Proportional to 53,638,862.20, 80,458,293.30 and 19,561,319.80

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Solution

The fourth proportional to 53,638,862.20, 80,458,293.30 and 19,561,319.80 is: 29,341,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638,862.20 : 80,458,293.30 = 19,561,319.80 : x
  2. Step 2: Convert to fraction form
    53,638,862.20/80,458,293.30 = 19,561,319.80/x
  3. Step 3: Cross multiply
    53,638,862.20x = 80,458,293.30 × 19,561,319.80
  4. Step 4: Simplify right side
    53,638,862.20x = 1,573,870,405,803,497.25
  5. Step 5: Solve for x
    x = 1,573,870,405,803,497.25/53,638,862.20
  6. Step 6: Final answer
    x = 29,341,979.70

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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.