Home / 70,986,195.20-106,405,809.60-38,569,606.40

Finding the Fourth Proportional to 70,986,195.20, 106,405,809.60 and 38,569,606.40

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Solution

The fourth proportional to 70,986,195.20, 106,405,809.60 and 38,569,606.40 is: 57,814,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,986,195.20 : 106,405,809.60 = 38,569,606.40 : x
  2. Step 2: Convert to fraction form
    70,986,195.20/106,405,809.60 = 38,569,606.40/x
  3. Step 3: Cross multiply
    70,986,195.20x = 106,405,809.60 × 38,569,606.40
  4. Step 4: Simplify right side
    70,986,195.20x = 4,104,030,194,945,341
  5. Step 5: Solve for x
    x = 4,104,030,194,945,341/70,986,195.20
  6. Step 6: Final answer
    x = 57,814,483.27

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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.