Home / 192,459,246.80-288,688,870.20-131,237,243.60

Finding the Fourth Proportional to 192,459,246.80, 288,688,870.20 and 131,237,243.60

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Solution

The fourth proportional to 192,459,246.80, 288,688,870.20 and 131,237,243.60 is: 196,855,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,459,246.80 : 288,688,870.20 = 131,237,243.60 : x
  2. Step 2: Convert to fraction form
    192,459,246.80/288,688,870.20 = 131,237,243.60/x
  3. Step 3: Cross multiply
    192,459,246.80x = 288,688,870.20 × 131,237,243.60
  4. Step 4: Simplify right side
    192,459,246.80x = 37,886,731,583,046,176
  5. Step 5: Solve for x
    x = 37,886,731,583,046,176/192,459,246.80
  6. Step 6: Final answer
    x = 196,855,865.40

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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.