Home / 57,188,395,516.50-85,756,085,228.04-21,323,522,830.20

Finding the Fourth Proportional to 57,188,395,516.50, 85,756,085,228.04 and 21,323,522,830.20

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Solution

The fourth proportional to 57,188,395,516.50, 85,756,085,228.04 and 21,323,522,830.20 is: 31,975,400,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188,395,516.50 : 85,756,085,228.04 = 21,323,522,830.20 : x
  2. Step 2: Convert to fraction form
    57,188,395,516.50/85,756,085,228.04 = 21,323,522,830.20/x
  3. Step 3: Cross multiply
    57,188,395,516.50x = 85,756,085,228.04 × 21,323,522,830.20
  4. Step 4: Simplify right side
    57,188,395,516.50x = 1,828,621,841,188,687,708,160
  5. Step 5: Solve for x
    x = 1,828,621,841,188,687,708,160/57,188,395,516.50
  6. Step 6: Final answer
    x = 31,975,400,335.56

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1.5x scale

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.