Home / 53,320,200.40-79,980,300.60-49,163,150.80

Finding the Fourth Proportional to 53,320,200.40, 79,980,300.60 and 49,163,150.80

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Solution

The fourth proportional to 53,320,200.40, 79,980,300.60 and 49,163,150.80 is: 73,744,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320,200.40 : 79,980,300.60 = 49,163,150.80 : x
  2. Step 2: Convert to fraction form
    53,320,200.40/79,980,300.60 = 49,163,150.80/x
  3. Step 3: Cross multiply
    53,320,200.40x = 79,980,300.60 × 49,163,150.80
  4. Step 4: Simplify right side
    53,320,200.40x = 3,932,083,579,427,130
  5. Step 5: Solve for x
    x = 3,932,083,579,427,130/53,320,200.40
  6. Step 6: Final answer
    x = 73,744,726.20

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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.