Home / 147,523,290.52-203,608,796.44-87,988,407.16

Finding the Fourth Proportional to 147,523,290.52, 203,608,796.44 and 87,988,407.16

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Solution

The fourth proportional to 147,523,290.52, 203,608,796.44 and 87,988,407.16 is: 121,439,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,523,290.52 : 203,608,796.44 = 87,988,407.16 : x
  2. Step 2: Convert to fraction form
    147,523,290.52/203,608,796.44 = 87,988,407.16/x
  3. Step 3: Cross multiply
    147,523,290.52x = 203,608,796.44 × 87,988,407.16
  4. Step 4: Simplify right side
    147,523,290.52x = 17,915,213,682,520,278
  5. Step 5: Solve for x
    x = 17,915,213,682,520,278/147,523,290.52
  6. Step 6: Final answer
    x = 121,439,900.23

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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.