Home / 124,458,878.80-186,688,318.20-112,129,447.60

Finding the Fourth Proportional to 124,458,878.80, 186,688,318.20 and 112,129,447.60

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Solution

The fourth proportional to 124,458,878.80, 186,688,318.20 and 112,129,447.60 is: 168,194,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,458,878.80 : 186,688,318.20 = 112,129,447.60 : x
  2. Step 2: Convert to fraction form
    124,458,878.80/186,688,318.20 = 112,129,447.60/x
  3. Step 3: Cross multiply
    124,458,878.80x = 186,688,318.20 × 112,129,447.60
  4. Step 4: Simplify right side
    124,458,878.80x = 20,933,257,993,139,024
  5. Step 5: Solve for x
    x = 20,933,257,993,139,024/124,458,878.80
  6. Step 6: Final answer
    x = 168,194,171.40

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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.