Home / 55,157,686.13-76,121,047.51-30,377,866.57

Finding the Fourth Proportional to 55,157,686.13, 76,121,047.51 and 30,377,866.57

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Solution

The fourth proportional to 55,157,686.13, 76,121,047.51 and 30,377,866.57 is: 41,923,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157,686.13 : 76,121,047.51 = 30,377,866.57 : x
  2. Step 2: Convert to fraction form
    55,157,686.13/76,121,047.51 = 30,377,866.57/x
  3. Step 3: Cross multiply
    55,157,686.13x = 76,121,047.51 × 30,377,866.57
  4. Step 4: Simplify right side
    55,157,686.13x = 2,312,395,024,161,163
  5. Step 5: Solve for x
    x = 2,312,395,024,161,163/55,157,686.13
  6. Step 6: Final answer
    x = 41,923,350.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.