Home / 199,432,981,112.49-299,167,861,727.55-65,128,175,077.17

Finding the Fourth Proportional to 199,432,981,112.49, 299,167,861,727.55 and 65,128,175,077.17

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Solution

The fourth proportional to 199,432,981,112.49, 299,167,861,727.55 and 65,128,175,077.17 is: 97,698,268,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432,981,112.49 : 299,167,861,727.55 = 65,128,175,077.17 : x
  2. Step 2: Convert to fraction form
    199,432,981,112.49/299,167,861,727.55 = 65,128,175,077.17/x
  3. Step 3: Cross multiply
    199,432,981,112.49x = 299,167,861,727.55 × 65,128,175,077.17
  4. Step 4: Simplify right side
    199,432,981,112.49x = 19,484,256,876,054,462,857,216
  5. Step 5: Solve for x
    x = 19,484,256,876,054,462,857,216/199,432,981,112.49
  6. Step 6: Final answer
    x = 97,698,268,197.00

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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.