Home / 30,168,171.60-45,252,257.40-28,015,835.55

Finding the Fourth Proportional to 30,168,171.60, 45,252,257.40 and 28,015,835.55

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Solution

The fourth proportional to 30,168,171.60, 45,252,257.40 and 28,015,835.55 is: 42,023,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168,171.60 : 45,252,257.40 = 28,015,835.55 : x
  2. Step 2: Convert to fraction form
    30,168,171.60/45,252,257.40 = 28,015,835.55/x
  3. Step 3: Cross multiply
    30,168,171.60x = 45,252,257.40 × 28,015,835.55
  4. Step 4: Simplify right side
    30,168,171.60x = 1,267,779,801,584,670.50
  5. Step 5: Solve for x
    x = 1,267,779,801,584,670.50/30,168,171.60
  6. Step 6: Final answer
    x = 42,023,753.33

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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.