Home / 125,306,880,982.80-187,960,321,474.20-42,589,152,214.80

Finding the Fourth Proportional to 125,306,880,982.80, 187,960,321,474.20 and 42,589,152,214.80

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Solution

The fourth proportional to 125,306,880,982.80, 187,960,321,474.20 and 42,589,152,214.80 is: 63,883,728,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,306,880,982.80 : 187,960,321,474.20 = 42,589,152,214.80 : x
  2. Step 2: Convert to fraction form
    125,306,880,982.80/187,960,321,474.20 = 42,589,152,214.80/x
  3. Step 3: Cross multiply
    125,306,880,982.80x = 187,960,321,474.20 × 42,589,152,214.80
  4. Step 4: Simplify right side
    125,306,880,982.80x = 8,005,070,741,607,446,216,704
  5. Step 5: Solve for x
    x = 8,005,070,741,607,446,216,704/125,306,880,982.80
  6. Step 6: Final answer
    x = 63,883,728,322.20

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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.