Home / 57,094,113.44-78,789,677.88-30,988,631.22

Finding the Fourth Proportional to 57,094,113.44, 78,789,677.88 and 30,988,631.22

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Solution

The fourth proportional to 57,094,113.44, 78,789,677.88 and 30,988,631.22 is: 42,764,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094,113.44 : 78,789,677.88 = 30,988,631.22 : x
  2. Step 2: Convert to fraction form
    57,094,113.44/78,789,677.88 = 30,988,631.22/x
  3. Step 3: Cross multiply
    57,094,113.44x = 78,789,677.88 × 30,988,631.22
  4. Step 4: Simplify right side
    57,094,113.44x = 2,441,584,271,765,911
  5. Step 5: Solve for x
    x = 2,441,584,271,765,911/57,094,113.44
  6. Step 6: Final answer
    x = 42,764,203.25

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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.