Home / 186,739,706.20-280,158,548.10-71,728,000.60

Finding the Fourth Proportional to 186,739,706.20, 280,158,548.10 and 71,728,000.60

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Solution

The fourth proportional to 186,739,706.20, 280,158,548.10 and 71,728,000.60 is: 107,610,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,739,706.20 : 280,158,548.10 = 71,728,000.60 : x
  2. Step 2: Convert to fraction form
    186,739,706.20/280,158,548.10 = 71,728,000.60/x
  3. Step 3: Cross multiply
    186,739,706.20x = 280,158,548.10 × 71,728,000.60
  4. Step 4: Simplify right side
    186,739,706.20x = 20,095,212,506,211,928
  5. Step 5: Solve for x
    x = 20,095,212,506,211,928/186,739,706.20
  6. Step 6: Final answer
    x = 107,610,817.83

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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.