Home / 199,432,981,115.99-299,167,861,732.80-65,128,175,080.67

Finding the Fourth Proportional to 199,432,981,115.99, 299,167,861,732.80 and 65,128,175,080.67

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Solution

The fourth proportional to 199,432,981,115.99, 299,167,861,732.80 and 65,128,175,080.67 is: 97,698,268,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432,981,115.99 : 299,167,861,732.80 = 65,128,175,080.67 : x
  2. Step 2: Convert to fraction form
    199,432,981,115.99/299,167,861,732.80 = 65,128,175,080.67/x
  3. Step 3: Cross multiply
    199,432,981,115.99x = 299,167,861,732.80 × 65,128,175,080.67
  4. Step 4: Simplify right side
    199,432,981,115.99x = 19,484,256,877,443,473,735,680
  5. Step 5: Solve for x
    x = 19,484,256,877,443,473,735,680/199,432,981,115.99
  6. Step 6: Final answer
    x = 97,698,268,202.25

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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.