Home / 148,388,125,668.41-221,582,940,557.93-121,183,773,695.78

Finding the Fourth Proportional to 148,388,125,668.41, 221,582,940,557.93 and 121,183,773,695.78

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Solution

The fourth proportional to 148,388,125,668.41, 221,582,940,557.93 and 121,183,773,695.78 is: 180,959,607,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,388,125,668.41 : 221,582,940,557.93 = 121,183,773,695.78 : x
  2. Step 2: Convert to fraction form
    148,388,125,668.41/221,582,940,557.93 = 121,183,773,695.78/x
  3. Step 3: Cross multiply
    148,388,125,668.41x = 221,582,940,557.93 × 121,183,773,695.78
  4. Step 4: Simplify right side
    148,388,125,668.41x = 26,852,256,923,417,661,407,232
  5. Step 5: Solve for x
    x = 26,852,256,923,417,661,407,232/148,388,125,668.41
  6. Step 6: Final answer
    x = 180,959,607,128.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.