Home / 130,976,091,212.80-196,464,136,819.20-72,202,968,140.80

Finding the Fourth Proportional to 130,976,091,212.80, 196,464,136,819.20 and 72,202,968,140.80

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Solution

The fourth proportional to 130,976,091,212.80, 196,464,136,819.20 and 72,202,968,140.80 is: 108,304,452,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,976,091,212.80 : 196,464,136,819.20 = 72,202,968,140.80 : x
  2. Step 2: Convert to fraction form
    130,976,091,212.80/196,464,136,819.20 = 72,202,968,140.80/x
  3. Step 3: Cross multiply
    130,976,091,212.80x = 196,464,136,819.20 × 72,202,968,140.80
  4. Step 4: Simplify right side
    130,976,091,212.80x = 14,185,293,811,566,472,331,264
  5. Step 5: Solve for x
    x = 14,185,293,811,566,472,331,264/130,976,091,212.80
  6. Step 6: Final answer
    x = 108,304,452,211.20

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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.