Home / 85,851,356.30-118,505,688.53-51,043,963.71

Finding the Fourth Proportional to 85,851,356.30, 118,505,688.53 and 51,043,963.71

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Solution

The fourth proportional to 85,851,356.30, 118,505,688.53 and 51,043,963.71 is: 70,458,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,851,356.30 : 118,505,688.53 = 51,043,963.71 : x
  2. Step 2: Convert to fraction form
    85,851,356.30/118,505,688.53 = 51,043,963.71/x
  3. Step 3: Cross multiply
    85,851,356.30x = 118,505,688.53 × 51,043,963.71
  4. Step 4: Simplify right side
    85,851,356.30x = 6,049,000,064,161,355
  5. Step 5: Solve for x
    x = 6,049,000,064,161,355/85,851,356.30
  6. Step 6: Final answer
    x = 70,458,992.44

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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.