Home / 186,705,511.20-280,058,266.80-141,355,879.20

Finding the Fourth Proportional to 186,705,511.20, 280,058,266.80 and 141,355,879.20

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Solution

The fourth proportional to 186,705,511.20, 280,058,266.80 and 141,355,879.20 is: 212,033,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,705,511.20 : 280,058,266.80 = 141,355,879.20 : x
  2. Step 2: Convert to fraction form
    186,705,511.20/280,058,266.80 = 141,355,879.20/x
  3. Step 3: Cross multiply
    186,705,511.20x = 280,058,266.80 × 141,355,879.20
  4. Step 4: Simplify right side
    186,705,511.20x = 39,587,882,530,742,168
  5. Step 5: Solve for x
    x = 39,587,882,530,742,168/186,705,511.20
  6. Step 6: Final answer
    x = 212,033,818.80

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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.