Home / 122,510,121.40-183,765,182.10-54,359,702.20

Finding the Fourth Proportional to 122,510,121.40, 183,765,182.10 and 54,359,702.20

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Solution

The fourth proportional to 122,510,121.40, 183,765,182.10 and 54,359,702.20 is: 81,539,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510,121.40 : 183,765,182.10 = 54,359,702.20 : x
  2. Step 2: Convert to fraction form
    122,510,121.40/183,765,182.10 = 54,359,702.20/x
  3. Step 3: Cross multiply
    122,510,121.40x = 183,765,182.10 × 54,359,702.20
  4. Step 4: Simplify right side
    122,510,121.40x = 9,989,420,573,684,770
  5. Step 5: Solve for x
    x = 9,989,420,573,684,770/122,510,121.40
  6. Step 6: Final answer
    x = 81,539,553.30

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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.