Home / 120,674,481.60-181,106,200.80-55,986,302.10

Finding the Fourth Proportional to 120,674,481.60, 181,106,200.80 and 55,986,302.10

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Solution

The fourth proportional to 120,674,481.60, 181,106,200.80 and 55,986,302.10 is: 84,023,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,674,481.60 : 181,106,200.80 = 55,986,302.10 : x
  2. Step 2: Convert to fraction form
    120,674,481.60/181,106,200.80 = 55,986,302.10/x
  3. Step 3: Cross multiply
    120,674,481.60x = 181,106,200.80 × 55,986,302.10
  4. Step 4: Simplify right side
    120,674,481.60x = 10,139,466,470,172,062
  5. Step 5: Solve for x
    x = 10,139,466,470,172,062/120,674,481.60
  6. Step 6: Final answer
    x = 84,023,285.92

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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.