Home / 119,979,119.70-165,570,360.89-64,973,717.46

Finding the Fourth Proportional to 119,979,119.70, 165,570,360.89 and 64,973,717.46

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Solution

The fourth proportional to 119,979,119.70, 165,570,360.89 and 64,973,717.46 is: 89,663,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,979,119.70 : 165,570,360.89 = 64,973,717.46 : x
  2. Step 2: Convert to fraction form
    119,979,119.70/165,570,360.89 = 64,973,717.46/x
  3. Step 3: Cross multiply
    119,979,119.70x = 165,570,360.89 × 64,973,717.46
  4. Step 4: Simplify right side
    119,979,119.70x = 10,757,721,848,217,094
  5. Step 5: Solve for x
    x = 10,757,721,848,217,094/119,979,119.70
  6. Step 6: Final answer
    x = 89,663,283.70

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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.