Home / 194,421,958-268,175,881.32-124,696,898.80

Finding the Fourth Proportional to 194,421,958, 268,175,881.32 and 124,696,898.80

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Solution

The fourth proportional to 194,421,958, 268,175,881.32 and 124,696,898.80 is: 172,000,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,421,958 : 268,175,881.32 = 124,696,898.80 : x
  2. Step 2: Convert to fraction form
    194,421,958/268,175,881.32 = 124,696,898.80/x
  3. Step 3: Cross multiply
    194,421,958x = 268,175,881.32 × 124,696,898.80
  4. Step 4: Simplify right side
    194,421,958x = 33,440,700,733,560,848
  5. Step 5: Solve for x
    x = 33,440,700,733,560,848/194,421,958
  6. Step 6: Final answer
    x = 172,000,637.57

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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.