Home / 129,762,003.60-194,643,005.40-124,022,440.80

Finding the Fourth Proportional to 129,762,003.60, 194,643,005.40 and 124,022,440.80

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Solution

The fourth proportional to 129,762,003.60, 194,643,005.40 and 124,022,440.80 is: 186,033,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,762,003.60 : 194,643,005.40 = 124,022,440.80 : x
  2. Step 2: Convert to fraction form
    129,762,003.60/194,643,005.40 = 124,022,440.80/x
  3. Step 3: Cross multiply
    129,762,003.60x = 194,643,005.40 × 124,022,440.80
  4. Step 4: Simplify right side
    129,762,003.60x = 24,140,100,614,355,580
  5. Step 5: Solve for x
    x = 24,140,100,614,355,580/129,762,003.60
  6. Step 6: Final answer
    x = 186,033,661.20

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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.