Home / 130,976,091,211.80-196,464,136,817.70-72,202,968,139.80

Finding the Fourth Proportional to 130,976,091,211.80, 196,464,136,817.70 and 72,202,968,139.80

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Solution

The fourth proportional to 130,976,091,211.80, 196,464,136,817.70 and 72,202,968,139.80 is: 108,304,452,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,976,091,211.80 : 196,464,136,817.70 = 72,202,968,139.80 : x
  2. Step 2: Convert to fraction form
    130,976,091,211.80/196,464,136,817.70 = 72,202,968,139.80/x
  3. Step 3: Cross multiply
    130,976,091,211.80x = 196,464,136,817.70 × 72,202,968,139.80
  4. Step 4: Simplify right side
    130,976,091,211.80x = 14,185,293,811,261,703,716,864
  5. Step 5: Solve for x
    x = 14,185,293,811,261,703,716,864/130,976,091,211.80
  6. Step 6: Final answer
    x = 108,304,452,209.70

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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.