Home / 248,052,021.60-372,078,032.40-127,119,669.60

Finding the Fourth Proportional to 248,052,021.60, 372,078,032.40 and 127,119,669.60

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Solution

The fourth proportional to 248,052,021.60, 372,078,032.40 and 127,119,669.60 is: 190,679,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,052,021.60 : 372,078,032.40 = 127,119,669.60 : x
  2. Step 2: Convert to fraction form
    248,052,021.60/372,078,032.40 = 127,119,669.60/x
  3. Step 3: Cross multiply
    248,052,021.60x = 372,078,032.40 × 127,119,669.60
  4. Step 4: Simplify right side
    248,052,021.60x = 47,298,436,544,106,088
  5. Step 5: Solve for x
    x = 47,298,436,544,106,088/248,052,021.60
  6. Step 6: Final answer
    x = 190,679,504.40

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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.