Home / 119,979,120.20-165,570,361.58-64,973,717.96

Finding the Fourth Proportional to 119,979,120.20, 165,570,361.58 and 64,973,717.96

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Solution

The fourth proportional to 119,979,120.20, 165,570,361.58 and 64,973,717.96 is: 89,663,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,979,120.20 : 165,570,361.58 = 64,973,717.96 : x
  2. Step 2: Convert to fraction form
    119,979,120.20/165,570,361.58 = 64,973,717.96/x
  3. Step 3: Cross multiply
    119,979,120.20x = 165,570,361.58 × 64,973,717.96
  4. Step 4: Simplify right side
    119,979,120.20x = 10,757,721,975,834,140
  5. Step 5: Solve for x
    x = 10,757,721,975,834,140/119,979,120.20
  6. Step 6: Final answer
    x = 89,663,284.39

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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.