Home / 202,378,019.80-279,281,761.32-109,558,527.52

Finding the Fourth Proportional to 202,378,019.80, 279,281,761.32 and 109,558,527.52

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Solution

The fourth proportional to 202,378,019.80, 279,281,761.32 and 109,558,527.52 is: 151,190,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,378,019.80 : 279,281,761.32 = 109,558,527.52 : x
  2. Step 2: Convert to fraction form
    202,378,019.80/279,281,761.32 = 109,558,527.52/x
  3. Step 3: Cross multiply
    202,378,019.80x = 279,281,761.32 × 109,558,527.52
  4. Step 4: Simplify right side
    202,378,019.80x = 30,597,698,533,411,288
  5. Step 5: Solve for x
    x = 30,597,698,533,411,288/202,378,019.80
  6. Step 6: Final answer
    x = 151,190,818.86

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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.