Home / 85,157,277.86-117,517,094.94-45,999,071.91

Finding the Fourth Proportional to 85,157,277.86, 117,517,094.94 and 45,999,071.91

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Solution

The fourth proportional to 85,157,277.86, 117,517,094.94 and 45,999,071.91 is: 63,478,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,157,277.86 : 117,517,094.94 = 45,999,071.91 : x
  2. Step 2: Convert to fraction form
    85,157,277.86/117,517,094.94 = 45,999,071.91/x
  3. Step 3: Cross multiply
    85,157,277.86x = 117,517,094.94 × 45,999,071.91
  4. Step 4: Simplify right side
    85,157,277.86x = 5,405,677,300,799,357
  5. Step 5: Solve for x
    x = 5,405,677,300,799,357/85,157,277.86
  6. Step 6: Final answer
    x = 63,478,747.05

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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.