Home / 108,459,039.90-162,847,992.15-76,253,715.30

Finding the Fourth Proportional to 108,459,039.90, 162,847,992.15 and 76,253,715.30

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Solution

The fourth proportional to 108,459,039.90, 162,847,992.15 and 76,253,715.30 is: 114,492,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,459,039.90 : 162,847,992.15 = 76,253,715.30 : x
  2. Step 2: Convert to fraction form
    108,459,039.90/162,847,992.15 = 76,253,715.30/x
  3. Step 3: Cross multiply
    108,459,039.90x = 162,847,992.15 × 76,253,715.30
  4. Step 4: Simplify right side
    108,459,039.90x = 12,417,764,430,582,734
  5. Step 5: Solve for x
    x = 12,417,764,430,582,734/108,459,039.90
  6. Step 6: Final answer
    x = 114,492,664.16

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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.