Home / 161,417,728.80-242,167,147.20-46,402,480.26

Finding the Fourth Proportional to 161,417,728.80, 242,167,147.20 and 46,402,480.26

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Solution

The fourth proportional to 161,417,728.80, 242,167,147.20 and 46,402,480.26 is: 69,615,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,417,728.80 : 242,167,147.20 = 46,402,480.26 : x
  2. Step 2: Convert to fraction form
    161,417,728.80/242,167,147.20 = 46,402,480.26/x
  3. Step 3: Cross multiply
    161,417,728.80x = 242,167,147.20 × 46,402,480.26
  4. Step 4: Simplify right side
    161,417,728.80x = 11,237,156,267,568,514
  5. Step 5: Solve for x
    x = 11,237,156,267,568,514/161,417,728.80
  6. Step 6: Final answer
    x = 69,615,378.38

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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.