Home / 108,257,816.70-162,386,725.05-73,820,439.90

Finding the Fourth Proportional to 108,257,816.70, 162,386,725.05 and 73,820,439.90

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Solution

The fourth proportional to 108,257,816.70, 162,386,725.05 and 73,820,439.90 is: 110,730,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,257,816.70 : 162,386,725.05 = 73,820,439.90 : x
  2. Step 2: Convert to fraction form
    108,257,816.70/162,386,725.05 = 73,820,439.90/x
  3. Step 3: Cross multiply
    108,257,816.70x = 162,386,725.05 × 73,820,439.90
  4. Step 4: Simplify right side
    108,257,816.70x = 11,987,459,477,111,352
  5. Step 5: Solve for x
    x = 11,987,459,477,111,352/108,257,816.70
  6. Step 6: Final answer
    x = 110,730,659.85

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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.