Home / 94,754,528.80-142,131,793.20-85,968,037.60

Finding the Fourth Proportional to 94,754,528.80, 142,131,793.20 and 85,968,037.60

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Solution

The fourth proportional to 94,754,528.80, 142,131,793.20 and 85,968,037.60 is: 128,952,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,754,528.80 : 142,131,793.20 = 85,968,037.60 : x
  2. Step 2: Convert to fraction form
    94,754,528.80/142,131,793.20 = 85,968,037.60/x
  3. Step 3: Cross multiply
    94,754,528.80x = 142,131,793.20 × 85,968,037.60
  4. Step 4: Simplify right side
    94,754,528.80x = 12,218,791,341,973,022
  5. Step 5: Solve for x
    x = 12,218,791,341,973,022/94,754,528.80
  6. Step 6: Final answer
    x = 128,952,056.40

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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.