Home / 57,095,923.86-78,790,263.22-30,989,886.30

Finding the Fourth Proportional to 57,095,923.86, 78,790,263.22 and 30,989,886.30

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Solution

The fourth proportional to 57,095,923.86, 78,790,263.22 and 30,989,886.30 is: 42,764,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095,923.86 : 78,790,263.22 = 30,989,886.30 : x
  2. Step 2: Convert to fraction form
    57,095,923.86/78,790,263.22 = 30,989,886.30/x
  3. Step 3: Cross multiply
    57,095,923.86x = 78,790,263.22 × 30,989,886.30
  4. Step 4: Simplify right side
    57,095,923.86x = 2,441,701,298,263,446
  5. Step 5: Solve for x
    x = 2,441,701,298,263,446/57,095,923.86
  6. Step 6: Final answer
    x = 42,764,896.92

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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.