Home / 85,643,036,857.70-118,180,461,895.82-49,516,387,151.44

Finding the Fourth Proportional to 85,643,036,857.70, 118,180,461,895.82 and 49,516,387,151.44

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Solution

The fourth proportional to 85,643,036,857.70, 118,180,461,895.82 and 49,516,387,151.44 is: 68,328,608,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,643,036,857.70 : 118,180,461,895.82 = 49,516,387,151.44 : x
  2. Step 2: Convert to fraction form
    85,643,036,857.70/118,180,461,895.82 = 49,516,387,151.44/x
  3. Step 3: Cross multiply
    85,643,036,857.70x = 118,180,461,895.82 × 49,516,387,151.44
  4. Step 4: Simplify right side
    85,643,036,857.70x = 5,851,869,504,969,427,124,224
  5. Step 5: Solve for x
    x = 5,851,869,504,969,427,124,224/85,643,036,857.70
  6. Step 6: Final answer
    x = 68,328,608,135.33

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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.