Home / 186,734,115.20-280,101,172.80-118,877,628.80

Finding the Fourth Proportional to 186,734,115.20, 280,101,172.80 and 118,877,628.80

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Solution

The fourth proportional to 186,734,115.20, 280,101,172.80 and 118,877,628.80 is: 178,316,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,734,115.20 : 280,101,172.80 = 118,877,628.80 : x
  2. Step 2: Convert to fraction form
    186,734,115.20/280,101,172.80 = 118,877,628.80/x
  3. Step 3: Cross multiply
    186,734,115.20x = 280,101,172.80 × 118,877,628.80
  4. Step 4: Simplify right side
    186,734,115.20x = 33,297,763,246,563,056
  5. Step 5: Solve for x
    x = 33,297,763,246,563,056/186,734,115.20
  6. Step 6: Final answer
    x = 178,316,443.20

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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.