Home / 57,061,330,475.84-85,517,538,340.12-31,878,030,139.62

Finding the Fourth Proportional to 57,061,330,475.84, 85,517,538,340.12 and 31,878,030,139.62

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Solution

The fourth proportional to 57,061,330,475.84, 85,517,538,340.12 and 31,878,030,139.62 is: 47,775,448,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,061,330,475.84 : 85,517,538,340.12 = 31,878,030,139.62 : x
  2. Step 2: Convert to fraction form
    57,061,330,475.84/85,517,538,340.12 = 31,878,030,139.62/x
  3. Step 3: Cross multiply
    57,061,330,475.84x = 85,517,538,340.12 × 31,878,030,139.62
  4. Step 4: Simplify right side
    57,061,330,475.84x = 2,726,130,664,672,453,984,256
  5. Step 5: Solve for x
    x = 2,726,130,664,672,453,984,256/57,061,330,475.84
  6. Step 6: Final answer
    x = 47,775,448,660.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.