Home / 130,409,737.20-195,614,605.80-92,145,985.20

Finding the Fourth Proportional to 130,409,737.20, 195,614,605.80 and 92,145,985.20

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Solution

The fourth proportional to 130,409,737.20, 195,614,605.80 and 92,145,985.20 is: 138,218,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,737.20 : 195,614,605.80 = 92,145,985.20 : x
  2. Step 2: Convert to fraction form
    130,409,737.20/195,614,605.80 = 92,145,985.20/x
  3. Step 3: Cross multiply
    130,409,737.20x = 195,614,605.80 × 92,145,985.20
  4. Step 4: Simplify right side
    130,409,737.20x = 18,025,100,570,950,636
  5. Step 5: Solve for x
    x = 18,025,100,570,950,636/130,409,737.20
  6. Step 6: Final answer
    x = 138,218,977.80

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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.