Home / 221,205,260.40-331,807,890.60-83,030,600.40

Finding the Fourth Proportional to 221,205,260.40, 331,807,890.60 and 83,030,600.40

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Solution

The fourth proportional to 221,205,260.40, 331,807,890.60 and 83,030,600.40 is: 124,545,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,205,260.40 : 331,807,890.60 = 83,030,600.40 : x
  2. Step 2: Convert to fraction form
    221,205,260.40/331,807,890.60 = 83,030,600.40/x
  3. Step 3: Cross multiply
    221,205,260.40x = 331,807,890.60 × 83,030,600.40
  4. Step 4: Simplify right side
    221,205,260.40x = 27,550,208,373,975,520
  5. Step 5: Solve for x
    x = 27,550,208,373,975,520/221,205,260.40
  6. Step 6: Final answer
    x = 124,545,900.60

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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.