Home / 186,989,015.80-280,483,523.70-173,384,126.20

Finding the Fourth Proportional to 186,989,015.80, 280,483,523.70 and 173,384,126.20

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Solution

The fourth proportional to 186,989,015.80, 280,483,523.70 and 173,384,126.20 is: 260,076,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,989,015.80 : 280,483,523.70 = 173,384,126.20 : x
  2. Step 2: Convert to fraction form
    186,989,015.80/280,483,523.70 = 173,384,126.20/x
  3. Step 3: Cross multiply
    186,989,015.80x = 280,483,523.70 × 173,384,126.20
  4. Step 4: Simplify right side
    186,989,015.80x = 48,631,390,670,221,488
  5. Step 5: Solve for x
    x = 48,631,390,670,221,488/186,989,015.80
  6. Step 6: Final answer
    x = 260,076,189.30

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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.