Home / 130,929,208.60-196,386,694.18-40,052,797.60

Finding the Fourth Proportional to 130,929,208.60, 196,386,694.18 and 40,052,797.60

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Solution

The fourth proportional to 130,929,208.60, 196,386,694.18 and 40,052,797.60 is: 60,077,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,929,208.60 : 196,386,694.18 = 40,052,797.60 : x
  2. Step 2: Convert to fraction form
    130,929,208.60/196,386,694.18 = 40,052,797.60/x
  3. Step 3: Cross multiply
    130,929,208.60x = 196,386,694.18 × 40,052,797.60
  4. Step 4: Simplify right side
    130,929,208.60x = 7,865,836,513,324,639
  5. Step 5: Solve for x
    x = 7,865,836,513,324,639/130,929,208.60
  6. Step 6: Final answer
    x = 60,077,018.70

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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.