Home / 85,643,036,855.70-118,180,461,893.06-49,516,387,149.43

Finding the Fourth Proportional to 85,643,036,855.70, 118,180,461,893.06 and 49,516,387,149.43

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Solution

The fourth proportional to 85,643,036,855.70, 118,180,461,893.06 and 49,516,387,149.43 is: 68,328,608,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,643,036,855.70 : 118,180,461,893.06 = 49,516,387,149.43 : x
  2. Step 2: Convert to fraction form
    85,643,036,855.70/118,180,461,893.06 = 49,516,387,149.43/x
  3. Step 3: Cross multiply
    85,643,036,855.70x = 118,180,461,893.06 × 49,516,387,149.43
  4. Step 4: Simplify right side
    85,643,036,855.70x = 5,851,869,504,595,454,590,976
  5. Step 5: Solve for x
    x = 5,851,869,504,595,454,590,976/85,643,036,855.70
  6. Step 6: Final answer
    x = 68,328,608,132.56

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1.5x scale

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.