Home / 50,196,708.22-75,298,521.28-21,021,171.70

Finding the Fourth Proportional to 50,196,708.22, 75,298,521.28 and 21,021,171.70

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Solution

The fourth proportional to 50,196,708.22, 75,298,521.28 and 21,021,171.70 is: 31,533,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,196,708.22 : 75,298,521.28 = 21,021,171.70 : x
  2. Step 2: Convert to fraction form
    50,196,708.22/75,298,521.28 = 21,021,171.70/x
  3. Step 3: Cross multiply
    50,196,708.22x = 75,298,521.28 × 21,021,171.70
  4. Step 4: Simplify right side
    50,196,708.22x = 1,582,863,144,582,983.75
  5. Step 5: Solve for x
    x = 1,582,863,144,582,983.75/50,196,708.22
  6. Step 6: Final answer
    x = 31,533,206.07

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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.