Home / 152,765,747,235.82-210,807,232,327.78-84,173,321,850.58

Finding the Fourth Proportional to 152,765,747,235.82, 210,807,232,327.78 and 84,173,321,850.58

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Solution

The fourth proportional to 152,765,747,235.82, 210,807,232,327.78 and 84,173,321,850.58 is: 116,153,950,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,765,747,235.82 : 210,807,232,327.78 = 84,173,321,850.58 : x
  2. Step 2: Convert to fraction form
    152,765,747,235.82/210,807,232,327.78 = 84,173,321,850.58/x
  3. Step 3: Cross multiply
    152,765,747,235.82x = 210,807,232,327.78 × 84,173,321,850.58
  4. Step 4: Simplify right side
    152,765,747,235.82x = 17,744,345,015,156,220,100,608
  5. Step 5: Solve for x
    x = 17,744,345,015,156,220,100,608/152,765,747,235.82
  6. Step 6: Final answer
    x = 116,153,950,320.85

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1.5x scale

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.