Home / 30,098,784.60-45,148,176.90-28,083,245.40

Finding the Fourth Proportional to 30,098,784.60, 45,148,176.90 and 28,083,245.40

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Solution

The fourth proportional to 30,098,784.60, 45,148,176.90 and 28,083,245.40 is: 42,124,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,098,784.60 : 45,148,176.90 = 28,083,245.40 : x
  2. Step 2: Convert to fraction form
    30,098,784.60/45,148,176.90 = 28,083,245.40/x
  3. Step 3: Cross multiply
    30,098,784.60x = 45,148,176.90 × 28,083,245.40
  4. Step 4: Simplify right side
    30,098,784.60x = 1,267,907,331,245,311.25
  5. Step 5: Solve for x
    x = 1,267,907,331,245,311.25/30,098,784.60
  6. Step 6: Final answer
    x = 42,124,868.10

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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.