Home / 112,338,187.20-168,507,280.80-54,800,841.60

Finding the Fourth Proportional to 112,338,187.20, 168,507,280.80 and 54,800,841.60

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Solution

The fourth proportional to 112,338,187.20, 168,507,280.80 and 54,800,841.60 is: 82,201,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338,187.20 : 168,507,280.80 = 54,800,841.60 : x
  2. Step 2: Convert to fraction form
    112,338,187.20/168,507,280.80 = 54,800,841.60/x
  3. Step 3: Cross multiply
    112,338,187.20x = 168,507,280.80 × 54,800,841.60
  4. Step 4: Simplify right side
    112,338,187.20x = 9,234,340,803,567,522
  5. Step 5: Solve for x
    x = 9,234,340,803,567,522/112,338,187.20
  6. Step 6: Final answer
    x = 82,201,262.40

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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.