Home / 124,458,857.80-186,688,286.70-112,129,426.60

Finding the Fourth Proportional to 124,458,857.80, 186,688,286.70 and 112,129,426.60

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Solution

The fourth proportional to 124,458,857.80, 186,688,286.70 and 112,129,426.60 is: 168,194,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,458,857.80 : 186,688,286.70 = 112,129,426.60 : x
  2. Step 2: Convert to fraction form
    124,458,857.80/186,688,286.70 = 112,129,426.60/x
  3. Step 3: Cross multiply
    124,458,857.80x = 186,688,286.70 × 112,129,426.60
  4. Step 4: Simplify right side
    124,458,857.80x = 20,933,250,540,607,404
  5. Step 5: Solve for x
    x = 20,933,250,540,607,404/124,458,857.80
  6. Step 6: Final answer
    x = 168,194,139.90

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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.