Home / 146,707,472.90-220,061,209.35-70,179,968.90

Finding the Fourth Proportional to 146,707,472.90, 220,061,209.35 and 70,179,968.90

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Solution

The fourth proportional to 146,707,472.90, 220,061,209.35 and 70,179,968.90 is: 105,269,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,707,472.90 : 220,061,209.35 = 70,179,968.90 : x
  2. Step 2: Convert to fraction form
    146,707,472.90/220,061,209.35 = 70,179,968.90/x
  3. Step 3: Cross multiply
    146,707,472.90x = 220,061,209.35 × 70,179,968.90
  4. Step 4: Simplify right side
    146,707,472.90x = 15,443,888,828,279,390
  5. Step 5: Solve for x
    x = 15,443,888,828,279,390/146,707,472.90
  6. Step 6: Final answer
    x = 105,269,953.35

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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.