Home / 221,257,411.80-331,886,117.70-117,945,281.40

Finding the Fourth Proportional to 221,257,411.80, 331,886,117.70 and 117,945,281.40

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Solution

The fourth proportional to 221,257,411.80, 331,886,117.70 and 117,945,281.40 is: 176,917,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,257,411.80 : 331,886,117.70 = 117,945,281.40 : x
  2. Step 2: Convert to fraction form
    221,257,411.80/331,886,117.70 = 117,945,281.40/x
  3. Step 3: Cross multiply
    221,257,411.80x = 331,886,117.70 × 117,945,281.40
  4. Step 4: Simplify right side
    221,257,411.80x = 39,144,401,544,880,024
  5. Step 5: Solve for x
    x = 39,144,401,544,880,024/221,257,411.80
  6. Step 6: Final answer
    x = 176,917,922.10

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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.