Home / 49,832,465.20-74,668,216.20-28,202,743.60

Finding the Fourth Proportional to 49,832,465.20, 74,668,216.20 and 28,202,743.60

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Solution

The fourth proportional to 49,832,465.20, 74,668,216.20 and 28,202,743.60 is: 42,258,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832,465.20 : 74,668,216.20 = 28,202,743.60 : x
  2. Step 2: Convert to fraction form
    49,832,465.20/74,668,216.20 = 28,202,743.60/x
  3. Step 3: Cross multiply
    49,832,465.20x = 74,668,216.20 × 28,202,743.60
  4. Step 4: Simplify right side
    49,832,465.20x = 2,105,848,556,557,966.50
  5. Step 5: Solve for x
    x = 2,105,848,556,557,966.50/49,832,465.20
  6. Step 6: Final answer
    x = 42,258,566.74

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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.