Home / 101,984,190,276.80-152,976,285,415.20-80,678,933,163.20

Finding the Fourth Proportional to 101,984,190,276.80, 152,976,285,415.20 and 80,678,933,163.20

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Solution

The fourth proportional to 101,984,190,276.80, 152,976,285,415.20 and 80,678,933,163.20 is: 121,018,399,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,984,190,276.80 : 152,976,285,415.20 = 80,678,933,163.20 : x
  2. Step 2: Convert to fraction form
    101,984,190,276.80/152,976,285,415.20 = 80,678,933,163.20/x
  3. Step 3: Cross multiply
    101,984,190,276.80x = 152,976,285,415.20 × 80,678,933,163.20
  4. Step 4: Simplify right side
    101,984,190,276.80x = 12,341,963,506,567,528,579,072
  5. Step 5: Solve for x
    x = 12,341,963,506,567,528,579,072/101,984,190,276.80
  6. Step 6: Final answer
    x = 121,018,399,744.80

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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.