Home / 93,639,819.90-140,459,729.85-76,619,711.10

Finding the Fourth Proportional to 93,639,819.90, 140,459,729.85 and 76,619,711.10

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Solution

The fourth proportional to 93,639,819.90, 140,459,729.85 and 76,619,711.10 is: 114,929,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,639,819.90 : 140,459,729.85 = 76,619,711.10 : x
  2. Step 2: Convert to fraction form
    93,639,819.90/140,459,729.85 = 76,619,711.10/x
  3. Step 3: Cross multiply
    93,639,819.90x = 140,459,729.85 × 76,619,711.10
  4. Step 4: Simplify right side
    93,639,819.90x = 10,761,983,922,291,046
  5. Step 5: Solve for x
    x = 10,761,983,922,291,046/93,639,819.90
  6. Step 6: Final answer
    x = 114,929,566.65

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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.