Home / 130,379,912.80-195,596,113.20-38,263,472.80

Finding the Fourth Proportional to 130,379,912.80, 195,596,113.20 and 38,263,472.80

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Solution

The fourth proportional to 130,379,912.80, 195,596,113.20 and 38,263,472.80 is: 57,402,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,379,912.80 : 195,596,113.20 = 38,263,472.80 : x
  2. Step 2: Convert to fraction form
    130,379,912.80/195,596,113.20 = 38,263,472.80/x
  3. Step 3: Cross multiply
    130,379,912.80x = 195,596,113.20 × 38,263,472.80
  4. Step 4: Simplify right side
    130,379,912.80x = 7,484,186,557,213,920
  5. Step 5: Solve for x
    x = 7,484,186,557,213,920/130,379,912.80
  6. Step 6: Final answer
    x = 57,402,911.20

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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.