Home / 130,811,081.40-196,216,622.10-118,694,226.60

Finding the Fourth Proportional to 130,811,081.40, 196,216,622.10 and 118,694,226.60

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Solution

The fourth proportional to 130,811,081.40, 196,216,622.10 and 118,694,226.60 is: 178,041,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,811,081.40 : 196,216,622.10 = 118,694,226.60 : x
  2. Step 2: Convert to fraction form
    130,811,081.40/196,216,622.10 = 118,694,226.60/x
  3. Step 3: Cross multiply
    130,811,081.40x = 196,216,622.10 × 118,694,226.60
  4. Step 4: Simplify right side
    130,811,081.40x = 23,289,780,206,223,964
  5. Step 5: Solve for x
    x = 23,289,780,206,223,964/130,811,081.40
  6. Step 6: Final answer
    x = 178,041,339.90

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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.