Home / 199,432,981,117.60-299,167,861,735.26-65,128,175,082.28

Finding the Fourth Proportional to 199,432,981,117.60, 299,167,861,735.26 and 65,128,175,082.28

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Solution

The fourth proportional to 199,432,981,117.60, 299,167,861,735.26 and 65,128,175,082.28 is: 97,698,268,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432,981,117.60 : 299,167,861,735.26 = 65,128,175,082.28 : x
  2. Step 2: Convert to fraction form
    199,432,981,117.60/299,167,861,735.26 = 65,128,175,082.28/x
  3. Step 3: Cross multiply
    199,432,981,117.60x = 299,167,861,735.26 × 65,128,175,082.28
  4. Step 4: Simplify right side
    199,432,981,117.60x = 19,484,256,878,085,349,048,320
  5. Step 5: Solve for x
    x = 19,484,256,878,085,349,048,320/199,432,981,117.60
  6. Step 6: Final answer
    x = 97,698,268,204.68

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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.