Home / 86,093,523,793.80-129,140,285,690.70-77,415,304,840.20

Finding the Fourth Proportional to 86,093,523,793.80, 129,140,285,690.70 and 77,415,304,840.20

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Solution

The fourth proportional to 86,093,523,793.80, 129,140,285,690.70 and 77,415,304,840.20 is: 116,122,957,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,093,523,793.80 : 129,140,285,690.70 = 77,415,304,840.20 : x
  2. Step 2: Convert to fraction form
    86,093,523,793.80/129,140,285,690.70 = 77,415,304,840.20/x
  3. Step 3: Cross multiply
    86,093,523,793.80x = 129,140,285,690.70 × 77,415,304,840.20
  4. Step 4: Simplify right side
    86,093,523,793.80x = 9,997,434,583,896,058,494,976
  5. Step 5: Solve for x
    x = 9,997,434,583,896,058,494,976/86,093,523,793.80
  6. Step 6: Final answer
    x = 116,122,957,260.30

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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.