Home / 85,156,821-117,516,458.52-45,998,597.16

Finding the Fourth Proportional to 85,156,821, 117,516,458.52 and 45,998,597.16

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Solution

The fourth proportional to 85,156,821, 117,516,458.52 and 45,998,597.16 is: 63,478,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156,821 : 117,516,458.52 = 45,998,597.16 : x
  2. Step 2: Convert to fraction form
    85,156,821/117,516,458.52 = 45,998,597.16/x
  3. Step 3: Cross multiply
    85,156,821x = 117,516,458.52 × 45,998,597.16
  4. Step 4: Simplify right side
    85,156,821x = 5,405,592,235,131,329
  5. Step 5: Solve for x
    x = 5,405,592,235,131,329/85,156,821
  6. Step 6: Final answer
    x = 63,478,088.68

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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.