Home / 194,421,931.92-268,175,845.44-124,696,872.72

Finding the Fourth Proportional to 194,421,931.92, 268,175,845.44 and 124,696,872.72

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Solution

The fourth proportional to 194,421,931.92, 268,175,845.44 and 124,696,872.72 is: 172,000,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,421,931.92 : 268,175,845.44 = 124,696,872.72 : x
  2. Step 2: Convert to fraction form
    194,421,931.92/268,175,845.44 = 124,696,872.72/x
  3. Step 3: Cross multiply
    194,421,931.92x = 268,175,845.44 × 124,696,872.72
  4. Step 4: Simplify right side
    194,421,931.92x = 33,440,689,265,410,072
  5. Step 5: Solve for x
    x = 33,440,689,265,410,072/194,421,931.92
  6. Step 6: Final answer
    x = 172,000,601.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.