Home / 170,058,460.20-255,087,690.30-72,997,650.60

Finding the Fourth Proportional to 170,058,460.20, 255,087,690.30 and 72,997,650.60

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Solution

The fourth proportional to 170,058,460.20, 255,087,690.30 and 72,997,650.60 is: 109,496,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,058,460.20 : 255,087,690.30 = 72,997,650.60 : x
  2. Step 2: Convert to fraction form
    170,058,460.20/255,087,690.30 = 72,997,650.60/x
  3. Step 3: Cross multiply
    170,058,460.20x = 255,087,690.30 × 72,997,650.60
  4. Step 4: Simplify right side
    170,058,460.20x = 18,620,802,088,880,408
  5. Step 5: Solve for x
    x = 18,620,802,088,880,408/170,058,460.20
  6. Step 6: Final answer
    x = 109,496,475.90

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1.5x scale

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.