Home / 93,470,280.82-140,080,093.47-72,745,742.59

Finding the Fourth Proportional to 93,470,280.82, 140,080,093.47 and 72,745,742.59

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Solution

The fourth proportional to 93,470,280.82, 140,080,093.47 and 72,745,742.59 is: 109,021,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,470,280.82 : 140,080,093.47 = 72,745,742.59 : x
  2. Step 2: Convert to fraction form
    93,470,280.82/140,080,093.47 = 72,745,742.59/x
  3. Step 3: Cross multiply
    93,470,280.82x = 140,080,093.47 × 72,745,742.59
  4. Step 4: Simplify right side
    93,470,280.82x = 10,190,230,421,201,560
  5. Step 5: Solve for x
    x = 10,190,230,421,201,560/93,470,280.82
  6. Step 6: Final answer
    x = 109,021,074.21

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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.