Home / 113,103,480.80-169,655,221.20-55,707,852.80

Finding the Fourth Proportional to 113,103,480.80, 169,655,221.20 and 55,707,852.80

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Solution

The fourth proportional to 113,103,480.80, 169,655,221.20 and 55,707,852.80 is: 83,561,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103,480.80 : 169,655,221.20 = 55,707,852.80 : x
  2. Step 2: Convert to fraction form
    113,103,480.80/169,655,221.20 = 55,707,852.80/x
  3. Step 3: Cross multiply
    113,103,480.80x = 169,655,221.20 × 55,707,852.80
  4. Step 4: Simplify right side
    113,103,480.80x = 9,451,128,089,361,038
  5. Step 5: Solve for x
    x = 9,451,128,089,361,038/113,103,480.80
  6. Step 6: Final answer
    x = 83,561,779.20

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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.