Home / 57,681,790.84-79,600,865.43-31,220,140.06

Finding the Fourth Proportional to 57,681,790.84, 79,600,865.43 and 31,220,140.06

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Solution

The fourth proportional to 57,681,790.84, 79,600,865.43 and 31,220,140.06 is: 43,083,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681,790.84 : 79,600,865.43 = 31,220,140.06 : x
  2. Step 2: Convert to fraction form
    57,681,790.84/79,600,865.43 = 31,220,140.06/x
  3. Step 3: Cross multiply
    57,681,790.84x = 79,600,865.43 × 31,220,140.06
  4. Step 4: Simplify right side
    57,681,790.84x = 2,485,150,167,621,812
  5. Step 5: Solve for x
    x = 2,485,150,167,621,812/57,681,790.84
  6. Step 6: Final answer
    x = 43,083,790.07

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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.