Home / 50,688,019.60-76,050,691.80-20,417,606.80

Finding the Fourth Proportional to 50,688,019.60, 76,050,691.80 and 20,417,606.80

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Solution

The fourth proportional to 50,688,019.60, 76,050,691.80 and 20,417,606.80 is: 30,633,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,019.60 : 76,050,691.80 = 20,417,606.80 : x
  2. Step 2: Convert to fraction form
    50,688,019.60/76,050,691.80 = 20,417,606.80/x
  3. Step 3: Cross multiply
    50,688,019.60x = 76,050,691.80 × 20,417,606.80
  4. Step 4: Simplify right side
    50,688,019.60x = 1,552,773,122,040,384.25
  5. Step 5: Solve for x
    x = 1,552,773,122,040,384.25/50,688,019.60
  6. Step 6: Final answer
    x = 30,633,927.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.