Home / 109,072,405.80-163,608,608.70-28,293,373.80

Finding the Fourth Proportional to 109,072,405.80, 163,608,608.70 and 28,293,373.80

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Solution

The fourth proportional to 109,072,405.80, 163,608,608.70 and 28,293,373.80 is: 42,440,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,072,405.80 : 163,608,608.70 = 28,293,373.80 : x
  2. Step 2: Convert to fraction form
    109,072,405.80/163,608,608.70 = 28,293,373.80/x
  3. Step 3: Cross multiply
    109,072,405.80x = 163,608,608.70 × 28,293,373.80
  4. Step 4: Simplify right side
    109,072,405.80x = 4,629,039,522,847,032
  5. Step 5: Solve for x
    x = 4,629,039,522,847,032/109,072,405.80
  6. Step 6: Final answer
    x = 42,440,060.70

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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.