Home / 43,157,776.20-64,630,376.10-20,412,101.40

Finding the Fourth Proportional to 43,157,776.20, 64,630,376.10 and 20,412,101.40

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Solution

The fourth proportional to 43,157,776.20, 64,630,376.10 and 20,412,101.40 is: 30,567,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157,776.20 : 64,630,376.10 = 20,412,101.40 : x
  2. Step 2: Convert to fraction form
    43,157,776.20/64,630,376.10 = 20,412,101.40/x
  3. Step 3: Cross multiply
    43,157,776.20x = 64,630,376.10 × 20,412,101.40
  4. Step 4: Simplify right side
    43,157,776.20x = 1,319,241,790,473,336.50
  5. Step 5: Solve for x
    x = 1,319,241,790,473,336.50/43,157,776.20
  6. Step 6: Final answer
    x = 30,567,881.54

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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.