Home / 124,458,910.80-186,688,366.20-112,129,479.60

Finding the Fourth Proportional to 124,458,910.80, 186,688,366.20 and 112,129,479.60

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Solution

The fourth proportional to 124,458,910.80, 186,688,366.20 and 112,129,479.60 is: 168,194,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,458,910.80 : 186,688,366.20 = 112,129,479.60 : x
  2. Step 2: Convert to fraction form
    124,458,910.80/186,688,366.20 = 112,129,479.60/x
  3. Step 3: Cross multiply
    124,458,910.80x = 186,688,366.20 × 112,129,479.60
  4. Step 4: Simplify right side
    124,458,910.80x = 20,933,269,349,380,228
  5. Step 5: Solve for x
    x = 20,933,269,349,380,228/124,458,910.80
  6. Step 6: Final answer
    x = 168,194,219.40

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1.5x scale

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.