Home / 130,528,033.20-195,792,049.80-70,061,857.20

Finding the Fourth Proportional to 130,528,033.20, 195,792,049.80 and 70,061,857.20

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Solution

The fourth proportional to 130,528,033.20, 195,792,049.80 and 70,061,857.20 is: 105,092,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,528,033.20 : 195,792,049.80 = 70,061,857.20 : x
  2. Step 2: Convert to fraction form
    130,528,033.20/195,792,049.80 = 70,061,857.20/x
  3. Step 3: Cross multiply
    130,528,033.20x = 195,792,049.80 × 70,061,857.20
  4. Step 4: Simplify right side
    130,528,033.20x = 13,717,554,633,982,890
  5. Step 5: Solve for x
    x = 13,717,554,633,982,890/130,528,033.20
  6. Step 6: Final answer
    x = 105,092,785.80

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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.