Home / 146,707,638.40-220,061,457.60-70,180,134.40

Finding the Fourth Proportional to 146,707,638.40, 220,061,457.60 and 70,180,134.40

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Solution

The fourth proportional to 146,707,638.40, 220,061,457.60 and 70,180,134.40 is: 105,270,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,707,638.40 : 220,061,457.60 = 70,180,134.40 : x
  2. Step 2: Convert to fraction form
    146,707,638.40/220,061,457.60 = 70,180,134.40/x
  3. Step 3: Cross multiply
    146,707,638.40x = 220,061,457.60 × 70,180,134.40
  4. Step 4: Simplify right side
    146,707,638.40x = 15,443,942,670,627,902
  5. Step 5: Solve for x
    x = 15,443,942,670,627,902/146,707,638.40
  6. Step 6: Final answer
    x = 105,270,201.60

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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.