Home / 124,734,411.20-186,818,181.60-78,817,908.80

Finding the Fourth Proportional to 124,734,411.20, 186,818,181.60 and 78,817,908.80

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Solution

The fourth proportional to 124,734,411.20, 186,818,181.60 and 78,817,908.80 is: 118,047,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,734,411.20 : 186,818,181.60 = 78,817,908.80 : x
  2. Step 2: Convert to fraction form
    124,734,411.20/186,818,181.60 = 78,817,908.80/x
  3. Step 3: Cross multiply
    124,734,411.20x = 186,818,181.60 × 78,817,908.80
  4. Step 4: Simplify right side
    124,734,411.20x = 14,724,618,399,530,638
  5. Step 5: Solve for x
    x = 14,724,618,399,530,638/124,734,411.20
  6. Step 6: Final answer
    x = 118,047,764.51

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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.