Home / 82,386,236.54-113,698,320.84-45,716,807.54

Finding the Fourth Proportional to 82,386,236.54, 113,698,320.84 and 45,716,807.54

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Solution

The fourth proportional to 82,386,236.54, 113,698,320.84 and 45,716,807.54 is: 63,092,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,386,236.54 : 113,698,320.84 = 45,716,807.54 : x
  2. Step 2: Convert to fraction form
    82,386,236.54/113,698,320.84 = 45,716,807.54/x
  3. Step 3: Cross multiply
    82,386,236.54x = 113,698,320.84 × 45,716,807.54
  4. Step 4: Simplify right side
    82,386,236.54x = 5,197,924,251,747,697
  5. Step 5: Solve for x
    x = 5,197,924,251,747,697/82,386,236.54
  6. Step 6: Final answer
    x = 63,092,143.42

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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.