Home / 116,885,627.64-161,302,355.10-64,676,863.80

Finding the Fourth Proportional to 116,885,627.64, 161,302,355.10 and 64,676,863.80

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Solution

The fourth proportional to 116,885,627.64, 161,302,355.10 and 64,676,863.80 is: 89,254,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,885,627.64 : 161,302,355.10 = 64,676,863.80 : x
  2. Step 2: Convert to fraction form
    116,885,627.64/161,302,355.10 = 64,676,863.80/x
  3. Step 3: Cross multiply
    116,885,627.64x = 161,302,355.10 × 64,676,863.80
  4. Step 4: Simplify right side
    116,885,627.64x = 10,432,530,451,421,934
  5. Step 5: Solve for x
    x = 10,432,530,451,421,934/116,885,627.64
  6. Step 6: Final answer
    x = 89,254,176.60

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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.