Home / 372,058,020.40-558,087,030.60-113,271,185.20

Finding the Fourth Proportional to 372,058,020.40, 558,087,030.60 and 113,271,185.20

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Solution

The fourth proportional to 372,058,020.40, 558,087,030.60 and 113,271,185.20 is: 169,906,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,058,020.40 : 558,087,030.60 = 113,271,185.20 : x
  2. Step 2: Convert to fraction form
    372,058,020.40/558,087,030.60 = 113,271,185.20/x
  3. Step 3: Cross multiply
    372,058,020.40x = 558,087,030.60 × 113,271,185.20
  4. Step 4: Simplify right side
    372,058,020.40x = 63,215,179,400,810,672
  5. Step 5: Solve for x
    x = 63,215,179,400,810,672/372,058,020.40
  6. Step 6: Final answer
    x = 169,906,777.80

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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.