Home / 221,303,430.60-331,955,145.90-112,464,313.80

Finding the Fourth Proportional to 221,303,430.60, 331,955,145.90 and 112,464,313.80

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Solution

The fourth proportional to 221,303,430.60, 331,955,145.90 and 112,464,313.80 is: 168,696,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,303,430.60 : 331,955,145.90 = 112,464,313.80 : x
  2. Step 2: Convert to fraction form
    221,303,430.60/331,955,145.90 = 112,464,313.80/x
  3. Step 3: Cross multiply
    221,303,430.60x = 331,955,145.90 × 112,464,313.80
  4. Step 4: Simplify right side
    221,303,430.60x = 37,333,107,696,022,376
  5. Step 5: Solve for x
    x = 37,333,107,696,022,376/221,303,430.60
  6. Step 6: Final answer
    x = 168,696,470.70

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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.