Home / 121,320,259.80-181,980,389.70-92,622,445.80

Finding the Fourth Proportional to 121,320,259.80, 181,980,389.70 and 92,622,445.80

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Solution

The fourth proportional to 121,320,259.80, 181,980,389.70 and 92,622,445.80 is: 138,933,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,320,259.80 : 181,980,389.70 = 92,622,445.80 : x
  2. Step 2: Convert to fraction form
    121,320,259.80/181,980,389.70 = 92,622,445.80/x
  3. Step 3: Cross multiply
    121,320,259.80x = 181,980,389.70 × 92,622,445.80
  4. Step 4: Simplify right side
    121,320,259.80x = 16,855,468,781,651,126
  5. Step 5: Solve for x
    x = 16,855,468,781,651,126/121,320,259.80
  6. Step 6: Final answer
    x = 138,933,668.70

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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.