Home / 221,329,701.60-331,994,552.40-144,888,511.20

Finding the Fourth Proportional to 221,329,701.60, 331,994,552.40 and 144,888,511.20

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Solution

The fourth proportional to 221,329,701.60, 331,994,552.40 and 144,888,511.20 is: 217,332,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,329,701.60 : 331,994,552.40 = 144,888,511.20 : x
  2. Step 2: Convert to fraction form
    221,329,701.60/331,994,552.40 = 144,888,511.20/x
  3. Step 3: Cross multiply
    221,329,701.60x = 331,994,552.40 × 144,888,511.20
  4. Step 4: Simplify right side
    221,329,701.60x = 48,102,196,423,746,376
  5. Step 5: Solve for x
    x = 48,102,196,423,746,376/221,329,701.60
  6. Step 6: Final answer
    x = 217,332,766.80

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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.