Home / 57,094,166.64-78,789,751.20-30,988,684.38

Finding the Fourth Proportional to 57,094,166.64, 78,789,751.20 and 30,988,684.38

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Solution

The fourth proportional to 57,094,166.64, 78,789,751.20 and 30,988,684.38 is: 42,764,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094,166.64 : 78,789,751.20 = 30,988,684.38 : x
  2. Step 2: Convert to fraction form
    57,094,166.64/78,789,751.20 = 30,988,684.38/x
  3. Step 3: Cross multiply
    57,094,166.64x = 78,789,751.20 × 30,988,684.38
  4. Step 4: Simplify right side
    57,094,166.64x = 2,441,590,732,315,526.50
  5. Step 5: Solve for x
    x = 2,441,590,732,315,526.50/57,094,166.64
  6. Step 6: Final answer
    x = 42,764,276.56

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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.