Home / 120,673,821.60-181,105,210.80-55,985,642.10

Finding the Fourth Proportional to 120,673,821.60, 181,105,210.80 and 55,985,642.10

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Solution

The fourth proportional to 120,673,821.60, 181,105,210.80 and 55,985,642.10 is: 84,022,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,673,821.60 : 181,105,210.80 = 55,985,642.10 : x
  2. Step 2: Convert to fraction form
    120,673,821.60/181,105,210.80 = 55,985,642.10/x
  3. Step 3: Cross multiply
    120,673,821.60x = 181,105,210.80 × 55,985,642.10
  4. Step 4: Simplify right side
    120,673,821.60x = 10,139,291,514,293,856
  5. Step 5: Solve for x
    x = 10,139,291,514,293,856/120,673,821.60
  6. Step 6: Final answer
    x = 84,022,295.64

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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.