Home / 85,156,843.68-117,516,489.48-45,998,619.66

Finding the Fourth Proportional to 85,156,843.68, 117,516,489.48 and 45,998,619.66

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Solution

The fourth proportional to 85,156,843.68, 117,516,489.48 and 45,998,619.66 is: 63,478,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156,843.68 : 117,516,489.48 = 45,998,619.66 : x
  2. Step 2: Convert to fraction form
    85,156,843.68/117,516,489.48 = 45,998,619.66/x
  3. Step 3: Cross multiply
    85,156,843.68x = 117,516,489.48 × 45,998,619.66
  4. Step 4: Simplify right side
    85,156,843.68x = 5,405,596,303,368,911
  5. Step 5: Solve for x
    x = 5,405,596,303,368,911/85,156,843.68
  6. Step 6: Final answer
    x = 63,478,119.55

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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.