Home / 130,135,579.22-195,196,493.28-42,685,576.65

Finding the Fourth Proportional to 130,135,579.22, 195,196,493.28 and 42,685,576.65

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Solution

The fourth proportional to 130,135,579.22, 195,196,493.28 and 42,685,576.65 is: 64,026,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,135,579.22 : 195,196,493.28 = 42,685,576.65 : x
  2. Step 2: Convert to fraction form
    130,135,579.22/195,196,493.28 = 42,685,576.65/x
  3. Step 3: Cross multiply
    130,135,579.22x = 195,196,493.28 × 42,685,576.65
  4. Step 4: Simplify right side
    130,135,579.22x = 8,332,074,875,714,650
  5. Step 5: Solve for x
    x = 8,332,074,875,714,650/130,135,579.22
  6. Step 6: Final answer
    x = 64,026,109.74

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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.