Home / 120,773,873.80-181,160,810.70-56,056,169.80

Finding the Fourth Proportional to 120,773,873.80, 181,160,810.70 and 56,056,169.80

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Solution

The fourth proportional to 120,773,873.80, 181,160,810.70 and 56,056,169.80 is: 84,084,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,773,873.80 : 181,160,810.70 = 56,056,169.80 : x
  2. Step 2: Convert to fraction form
    120,773,873.80/181,160,810.70 = 56,056,169.80/x
  3. Step 3: Cross multiply
    120,773,873.80x = 181,160,810.70 × 56,056,169.80
  4. Step 4: Simplify right side
    120,773,873.80x = 10,155,181,165,704,856
  5. Step 5: Solve for x
    x = 10,155,181,165,704,856/120,773,873.80
  6. Step 6: Final answer
    x = 84,084,254.70

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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.