Home / 143,602,256,004.48-215,403,384,021.54-47,988,274,835.10

Finding the Fourth Proportional to 143,602,256,004.48, 215,403,384,021.54 and 47,988,274,835.10

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Solution

The fourth proportional to 143,602,256,004.48, 215,403,384,021.54 and 47,988,274,835.10 is: 71,982,412,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,602,256,004.48 : 215,403,384,021.54 = 47,988,274,835.10 : x
  2. Step 2: Convert to fraction form
    143,602,256,004.48/215,403,384,021.54 = 47,988,274,835.10/x
  3. Step 3: Cross multiply
    143,602,256,004.48x = 215,403,384,021.54 × 47,988,274,835.10
  4. Step 4: Simplify right side
    143,602,256,004.48x = 10,336,836,792,836,249,616,384
  5. Step 5: Solve for x
    x = 10,336,836,792,836,249,616,384/143,602,256,004.48
  6. Step 6: Final answer
    x = 71,982,412,257.60

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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.