Home / 93,470,281.13-140,080,093.95-72,745,742.88

Finding the Fourth Proportional to 93,470,281.13, 140,080,093.95 and 72,745,742.88

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Solution

The fourth proportional to 93,470,281.13, 140,080,093.95 and 72,745,742.88 is: 109,021,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,470,281.13 : 140,080,093.95 = 72,745,742.88 : x
  2. Step 2: Convert to fraction form
    93,470,281.13/140,080,093.95 = 72,745,742.88/x
  3. Step 3: Cross multiply
    93,470,281.13x = 140,080,093.95 × 72,745,742.88
  4. Step 4: Simplify right side
    93,470,281.13x = 10,190,230,497,092,942
  5. Step 5: Solve for x
    x = 10,190,230,497,092,942/93,470,281.13
  6. Step 6: Final answer
    x = 109,021,074.65

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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.