Home / 170,058,458.70-255,087,688.05-72,997,649.10

Finding the Fourth Proportional to 170,058,458.70, 255,087,688.05 and 72,997,649.10

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Solution

The fourth proportional to 170,058,458.70, 255,087,688.05 and 72,997,649.10 is: 109,496,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,058,458.70 : 255,087,688.05 = 72,997,649.10 : x
  2. Step 2: Convert to fraction form
    170,058,458.70/255,087,688.05 = 72,997,649.10/x
  3. Step 3: Cross multiply
    170,058,458.70x = 255,087,688.05 × 72,997,649.10
  4. Step 4: Simplify right side
    170,058,458.70x = 18,620,801,542,004,164
  5. Step 5: Solve for x
    x = 18,620,801,542,004,164/170,058,458.70
  6. Step 6: Final answer
    x = 109,496,473.65

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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.