Home / 93,470,120.86-140,079,856.24-72,745,584.21

Finding the Fourth Proportional to 93,470,120.86, 140,079,856.24 and 72,745,584.21

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Solution

The fourth proportional to 93,470,120.86, 140,079,856.24 and 72,745,584.21 is: 109,020,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,470,120.86 : 140,079,856.24 = 72,745,584.21 : x
  2. Step 2: Convert to fraction form
    93,470,120.86/140,079,856.24 = 72,745,584.21/x
  3. Step 3: Cross multiply
    93,470,120.86x = 140,079,856.24 × 72,745,584.21
  4. Step 4: Simplify right side
    93,470,120.86x = 10,190,190,977,928,642
  5. Step 5: Solve for x
    x = 10,190,190,977,928,642/93,470,120.86
  6. Step 6: Final answer
    x = 109,020,838.79

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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.