Home / 148,388,125,669.92-221,582,940,560.16-121,183,773,697.28

Finding the Fourth Proportional to 148,388,125,669.92, 221,582,940,560.16 and 121,183,773,697.28

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Solution

The fourth proportional to 148,388,125,669.92, 221,582,940,560.16 and 121,183,773,697.28 is: 180,959,607,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,388,125,669.92 : 221,582,940,560.16 = 121,183,773,697.28 : x
  2. Step 2: Convert to fraction form
    148,388,125,669.92/221,582,940,560.16 = 121,183,773,697.28/x
  3. Step 3: Cross multiply
    148,388,125,669.92x = 221,582,940,560.16 × 121,183,773,697.28
  4. Step 4: Simplify right side
    148,388,125,669.92x = 26,852,256,924,020,273,840,128
  5. Step 5: Solve for x
    x = 26,852,256,924,020,273,840,128/148,388,125,669.92
  6. Step 6: Final answer
    x = 180,959,607,130.23

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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.