Home / 85,157,276.36-117,517,092.86-45,999,070.40

Finding the Fourth Proportional to 85,157,276.36, 117,517,092.86 and 45,999,070.40

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Solution

The fourth proportional to 85,157,276.36, 117,517,092.86 and 45,999,070.40 is: 63,478,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,157,276.36 : 117,517,092.86 = 45,999,070.40 : x
  2. Step 2: Convert to fraction form
    85,157,276.36/117,517,092.86 = 45,999,070.40/x
  3. Step 3: Cross multiply
    85,157,276.36x = 117,517,092.86 × 45,999,070.40
  4. Step 4: Simplify right side
    85,157,276.36x = 5,405,677,027,734,275
  5. Step 5: Solve for x
    x = 5,405,677,027,734,275/85,157,276.36
  6. Step 6: Final answer
    x = 63,478,744.97

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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.