Home / 85,618,128.60-118,152,418.20-46,458,909.48

Finding the Fourth Proportional to 85,618,128.60, 118,152,418.20 and 46,458,909.48

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Solution

The fourth proportional to 85,618,128.60, 118,152,418.20 and 46,458,909.48 is: 64,112,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,618,128.60 : 118,152,418.20 = 46,458,909.48 : x
  2. Step 2: Convert to fraction form
    85,618,128.60/118,152,418.20 = 46,458,909.48/x
  3. Step 3: Cross multiply
    85,618,128.60x = 118,152,418.20 × 46,458,909.48
  4. Step 4: Simplify right side
    85,618,128.60x = 5,489,232,501,996,904
  5. Step 5: Solve for x
    x = 5,489,232,501,996,904/85,618,128.60
  6. Step 6: Final answer
    x = 64,112,969.90

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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.