Home / 119,873,256.96-165,425,093.76-64,869,113.28

Finding the Fourth Proportional to 119,873,256.96, 165,425,093.76 and 64,869,113.28

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Solution

The fourth proportional to 119,873,256.96, 165,425,093.76 and 64,869,113.28 is: 89,519,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873,256.96 : 165,425,093.76 = 64,869,113.28 : x
  2. Step 2: Convert to fraction form
    119,873,256.96/165,425,093.76 = 64,869,113.28/x
  3. Step 3: Cross multiply
    119,873,256.96x = 165,425,093.76 × 64,869,113.28
  4. Step 4: Simplify right side
    119,873,256.96x = 10,730,979,146,472,060
  5. Step 5: Solve for x
    x = 10,730,979,146,472,060/119,873,256.96
  6. Step 6: Final answer
    x = 89,519,375.87

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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.