Home / 57,141,756.64-78,856,197.06-31,036,785.04

Finding the Fourth Proportional to 57,141,756.64, 78,856,197.06 and 31,036,785.04

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Solution

The fourth proportional to 57,141,756.64, 78,856,197.06 and 31,036,785.04 is: 42,831,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141,756.64 : 78,856,197.06 = 31,036,785.04 : x
  2. Step 2: Convert to fraction form
    57,141,756.64/78,856,197.06 = 31,036,785.04/x
  3. Step 3: Cross multiply
    57,141,756.64x = 78,856,197.06 × 31,036,785.04
  4. Step 4: Simplify right side
    57,141,756.64x = 2,447,442,837,223,100
  5. Step 5: Solve for x
    x = 2,447,442,837,223,100/57,141,756.64
  6. Step 6: Final answer
    x = 42,831,074.53

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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.