Home / 146,643,910.30-219,965,865.45-144,376,428.70

Finding the Fourth Proportional to 146,643,910.30, 219,965,865.45 and 144,376,428.70

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Solution

The fourth proportional to 146,643,910.30, 219,965,865.45 and 144,376,428.70 is: 216,564,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,643,910.30 : 219,965,865.45 = 144,376,428.70 : x
  2. Step 2: Convert to fraction form
    146,643,910.30/219,965,865.45 = 144,376,428.70/x
  3. Step 3: Cross multiply
    146,643,910.30x = 219,965,865.45 × 144,376,428.70
  4. Step 4: Simplify right side
    146,643,910.30x = 31,757,886,089,575,716
  5. Step 5: Solve for x
    x = 31,757,886,089,575,716/146,643,910.30
  6. Step 6: Final answer
    x = 216,564,643.05

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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.