Home / 120,682,305.60-181,023,458.40-108,589,070.40

Finding the Fourth Proportional to 120,682,305.60, 181,023,458.40 and 108,589,070.40

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Solution

The fourth proportional to 120,682,305.60, 181,023,458.40 and 108,589,070.40 is: 162,883,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,682,305.60 : 181,023,458.40 = 108,589,070.40 : x
  2. Step 2: Convert to fraction form
    120,682,305.60/181,023,458.40 = 108,589,070.40/x
  3. Step 3: Cross multiply
    120,682,305.60x = 181,023,458.40 × 108,589,070.40
  4. Step 4: Simplify right side
    120,682,305.60x = 19,657,169,068,249,072
  5. Step 5: Solve for x
    x = 19,657,169,068,249,072/120,682,305.60
  6. Step 6: Final answer
    x = 162,883,605.60

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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.