Home / 188,872,369,831.56-260,643,237,580.26-103,233,285,972.12

Finding the Fourth Proportional to 188,872,369,831.56, 260,643,237,580.26 and 103,233,285,972.12

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Solution

The fourth proportional to 188,872,369,831.56, 260,643,237,580.26 and 103,233,285,972.12 is: 142,461,588,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,872,369,831.56 : 260,643,237,580.26 = 103,233,285,972.12 : x
  2. Step 2: Convert to fraction form
    188,872,369,831.56/260,643,237,580.26 = 103,233,285,972.12/x
  3. Step 3: Cross multiply
    188,872,369,831.56x = 260,643,237,580.26 × 103,233,285,972.12
  4. Step 4: Simplify right side
    188,872,369,831.56x = 26,907,057,881,822,196,137,984
  5. Step 5: Solve for x
    x = 26,907,057,881,822,196,137,984/188,872,369,831.56
  6. Step 6: Final answer
    x = 142,461,588,774.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.