Home / 157,464,678.80-236,197,018.20-124,940,489.60

Finding the Fourth Proportional to 157,464,678.80, 236,197,018.20 and 124,940,489.60

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Solution

The fourth proportional to 157,464,678.80, 236,197,018.20 and 124,940,489.60 is: 187,410,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,678.80 : 236,197,018.20 = 124,940,489.60 : x
  2. Step 2: Convert to fraction form
    157,464,678.80/236,197,018.20 = 124,940,489.60/x
  3. Step 3: Cross multiply
    157,464,678.80x = 236,197,018.20 × 124,940,489.60
  4. Step 4: Simplify right side
    157,464,678.80x = 29,510,571,095,968,108
  5. Step 5: Solve for x
    x = 29,510,571,095,968,108/157,464,678.80
  6. Step 6: Final answer
    x = 187,410,734.40

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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.