Home / 30,189,113.20-45,283,669.80-20,633,964.40

Finding the Fourth Proportional to 30,189,113.20, 45,283,669.80 and 20,633,964.40

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Solution

The fourth proportional to 30,189,113.20, 45,283,669.80 and 20,633,964.40 is: 30,950,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189,113.20 : 45,283,669.80 = 20,633,964.40 : x
  2. Step 2: Convert to fraction form
    30,189,113.20/45,283,669.80 = 20,633,964.40/x
  3. Step 3: Cross multiply
    30,189,113.20x = 45,283,669.80 × 20,633,964.40
  4. Step 4: Simplify right side
    30,189,113.20x = 934,381,630,554,555
  5. Step 5: Solve for x
    x = 934,381,630,554,555/30,189,113.20
  6. Step 6: Final answer
    x = 30,950,946.60

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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.