Home / 221,867,002.16-306,182,950.48-121,401,470.96

Finding the Fourth Proportional to 221,867,002.16, 306,182,950.48 and 121,401,470.96

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Solution

The fourth proportional to 221,867,002.16, 306,182,950.48 and 121,401,470.96 is: 167,537,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,867,002.16 : 306,182,950.48 = 121,401,470.96 : x
  2. Step 2: Convert to fraction form
    221,867,002.16/306,182,950.48 = 121,401,470.96/x
  3. Step 3: Cross multiply
    221,867,002.16x = 306,182,950.48 × 121,401,470.96
  4. Step 4: Simplify right side
    221,867,002.16x = 37,171,060,571,144,840
  5. Step 5: Solve for x
    x = 37,171,060,571,144,840/221,867,002.16
  6. Step 6: Final answer
    x = 167,537,579.76

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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.