Home / 220,887,071.40-331,330,607.10-75,484,813.80

Finding the Fourth Proportional to 220,887,071.40, 331,330,607.10 and 75,484,813.80

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Solution

The fourth proportional to 220,887,071.40, 331,330,607.10 and 75,484,813.80 is: 113,227,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,887,071.40 : 331,330,607.10 = 75,484,813.80 : x
  2. Step 2: Convert to fraction form
    220,887,071.40/331,330,607.10 = 75,484,813.80/x
  3. Step 3: Cross multiply
    220,887,071.40x = 331,330,607.10 × 75,484,813.80
  4. Step 4: Simplify right side
    220,887,071.40x = 25,010,429,183,184,460
  5. Step 5: Solve for x
    x = 25,010,429,183,184,460/220,887,071.40
  6. Step 6: Final answer
    x = 113,227,220.70

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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.