Home / 146,707,472.40-220,061,208.60-70,179,968.40

Finding the Fourth Proportional to 146,707,472.40, 220,061,208.60 and 70,179,968.40

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Solution

The fourth proportional to 146,707,472.40, 220,061,208.60 and 70,179,968.40 is: 105,269,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,707,472.40 : 220,061,208.60 = 70,179,968.40 : x
  2. Step 2: Convert to fraction form
    146,707,472.40/220,061,208.60 = 70,179,968.40/x
  3. Step 3: Cross multiply
    146,707,472.40x = 220,061,208.60 × 70,179,968.40
  4. Step 4: Simplify right side
    146,707,472.40x = 15,443,888,665,613,810
  5. Step 5: Solve for x
    x = 15,443,888,665,613,810/146,707,472.40
  6. Step 6: Final answer
    x = 105,269,952.60

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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.