Home / 55,146,700.81-76,102,447.14-30,366,828.59

Finding the Fourth Proportional to 55,146,700.81, 76,102,447.14 and 30,366,828.59

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Solution

The fourth proportional to 55,146,700.81, 76,102,447.14 and 30,366,828.59 is: 41,906,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,146,700.81 : 76,102,447.14 = 30,366,828.59 : x
  2. Step 2: Convert to fraction form
    55,146,700.81/76,102,447.14 = 30,366,828.59/x
  3. Step 3: Cross multiply
    55,146,700.81x = 76,102,447.14 × 30,366,828.59
  4. Step 4: Simplify right side
    55,146,700.81x = 2,310,989,967,428,081.50
  5. Step 5: Solve for x
    x = 2,310,989,967,428,081.50/55,146,700.81
  6. Step 6: Final answer
    x = 41,906,223.47

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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.