Home / 199,432,981,111.37-299,167,861,725.88-65,128,175,076.04

Finding the Fourth Proportional to 199,432,981,111.37, 299,167,861,725.88 and 65,128,175,076.04

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Solution

The fourth proportional to 199,432,981,111.37, 299,167,861,725.88 and 65,128,175,076.04 is: 97,698,268,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432,981,111.37 : 299,167,861,725.88 = 65,128,175,076.04 : x
  2. Step 2: Convert to fraction form
    199,432,981,111.37/299,167,861,725.88 = 65,128,175,076.04/x
  3. Step 3: Cross multiply
    199,432,981,111.37x = 299,167,861,725.88 × 65,128,175,076.04
  4. Step 4: Simplify right side
    199,432,981,111.37x = 19,484,256,875,607,639,457,792
  5. Step 5: Solve for x
    x = 19,484,256,875,607,639,457,792/199,432,981,111.37
  6. Step 6: Final answer
    x = 97,698,268,195.30

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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.