Home / 147,822,904.13-203,996,928.21-81,747,849.65

Finding the Fourth Proportional to 147,822,904.13, 203,996,928.21 and 81,747,849.65

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Solution

The fourth proportional to 147,822,904.13, 203,996,928.21 and 81,747,849.65 is: 112,812,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,904.13 : 203,996,928.21 = 81,747,849.65 : x
  2. Step 2: Convert to fraction form
    147,822,904.13/203,996,928.21 = 81,747,849.65/x
  3. Step 3: Cross multiply
    147,822,904.13x = 203,996,928.21 × 81,747,849.65
  4. Step 4: Simplify right side
    147,822,904.13x = 16,676,310,216,372,926
  5. Step 5: Solve for x
    x = 16,676,310,216,372,926/147,822,904.13
  6. Step 6: Final answer
    x = 112,812,762.78

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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.