Home / 38,861,662.40-58,255,168.80-30,220,971.20

Finding the Fourth Proportional to 38,861,662.40, 58,255,168.80 and 30,220,971.20

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Solution

The fourth proportional to 38,861,662.40, 58,255,168.80 and 30,220,971.20 is: 45,302,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,861,662.40 : 58,255,168.80 = 30,220,971.20 : x
  2. Step 2: Convert to fraction form
    38,861,662.40/58,255,168.80 = 30,220,971.20/x
  3. Step 3: Cross multiply
    38,861,662.40x = 58,255,168.80 × 30,220,971.20
  4. Step 4: Simplify right side
    38,861,662.40x = 1,760,527,778,555,938.50
  5. Step 5: Solve for x
    x = 1,760,527,778,555,938.50/38,861,662.40
  6. Step 6: Final answer
    x = 45,302,430.98

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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.