Home / 185,956,796.32-278,935,193.16-67,790,419.09

Finding the Fourth Proportional to 185,956,796.32, 278,935,193.16 and 67,790,419.09

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Solution

The fourth proportional to 185,956,796.32, 278,935,193.16 and 67,790,419.09 is: 101,685,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,956,796.32 : 278,935,193.16 = 67,790,419.09 : x
  2. Step 2: Convert to fraction form
    185,956,796.32/278,935,193.16 = 67,790,419.09/x
  3. Step 3: Cross multiply
    185,956,796.32x = 278,935,193.16 × 67,790,419.09
  4. Step 4: Simplify right side
    185,956,796.32x = 18,909,133,642,569,168
  5. Step 5: Solve for x
    x = 18,909,133,642,569,168/185,956,796.32
  6. Step 6: Final answer
    x = 101,685,628.15

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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.