Home / 221,997,581.17-306,350,011.25-122,882,391.25

Finding the Fourth Proportional to 221,997,581.17, 306,350,011.25 and 122,882,391.25

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Solution

The fourth proportional to 221,997,581.17, 306,350,011.25 and 122,882,391.25 is: 169,574,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,997,581.17 : 306,350,011.25 = 122,882,391.25 : x
  2. Step 2: Convert to fraction form
    221,997,581.17/306,350,011.25 = 122,882,391.25/x
  3. Step 3: Cross multiply
    221,997,581.17x = 306,350,011.25 × 122,882,391.25
  4. Step 4: Simplify right side
    221,997,581.17x = 37,645,021,941,249,992
  5. Step 5: Solve for x
    x = 37,645,021,941,249,992/221,997,581.17
  6. Step 6: Final answer
    x = 169,574,018.52

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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.