Home / 130,929,142.36-196,386,594.44-40,052,731.36

Finding the Fourth Proportional to 130,929,142.36, 196,386,594.44 and 40,052,731.36

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Solution

The fourth proportional to 130,929,142.36, 196,386,594.44 and 40,052,731.36 is: 60,076,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,929,142.36 : 196,386,594.44 = 40,052,731.36 : x
  2. Step 2: Convert to fraction form
    130,929,142.36/196,386,594.44 = 40,052,731.36/x
  3. Step 3: Cross multiply
    130,929,142.36x = 196,386,594.44 × 40,052,731.36
  4. Step 4: Simplify right side
    130,929,142.36x = 7,865,819,509,810,589
  5. Step 5: Solve for x
    x = 7,865,819,509,810,589/130,929,142.36
  6. Step 6: Final answer
    x = 60,076,919.23

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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.