Home / 199,432,981,118.60-299,167,861,736.76-65,128,175,083.28

Finding the Fourth Proportional to 199,432,981,118.60, 299,167,861,736.76 and 65,128,175,083.28

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Solution

The fourth proportional to 199,432,981,118.60, 299,167,861,736.76 and 65,128,175,083.28 is: 97,698,268,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432,981,118.60 : 299,167,861,736.76 = 65,128,175,083.28 : x
  2. Step 2: Convert to fraction form
    199,432,981,118.60/299,167,861,736.76 = 65,128,175,083.28/x
  3. Step 3: Cross multiply
    199,432,981,118.60x = 299,167,861,736.76 × 65,128,175,083.28
  4. Step 4: Simplify right side
    199,432,981,118.60x = 19,484,256,878,482,209,898,496
  5. Step 5: Solve for x
    x = 19,484,256,878,482,209,898,496/199,432,981,118.60
  6. Step 6: Final answer
    x = 97,698,268,206.18

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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.