Home / 108,543,183.90-162,765,009.45-47,927,708.70

Finding the Fourth Proportional to 108,543,183.90, 162,765,009.45 and 47,927,708.70

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Solution

The fourth proportional to 108,543,183.90, 162,765,009.45 and 47,927,708.70 is: 71,869,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,543,183.90 : 162,765,009.45 = 47,927,708.70 : x
  2. Step 2: Convert to fraction form
    108,543,183.90/162,765,009.45 = 47,927,708.70/x
  3. Step 3: Cross multiply
    108,543,183.90x = 162,765,009.45 × 47,927,708.70
  4. Step 4: Simplify right side
    108,543,183.90x = 7,800,953,959,472,347
  5. Step 5: Solve for x
    x = 7,800,953,959,472,347/108,543,183.90
  6. Step 6: Final answer
    x = 71,869,588.48

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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.