Home / 149,167,706.87-205,840,854.50-82,183,739.10

Finding the Fourth Proportional to 149,167,706.87, 205,840,854.50 and 82,183,739.10

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Solution

The fourth proportional to 149,167,706.87, 205,840,854.50 and 82,183,739.10 is: 113,407,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,167,706.87 : 205,840,854.50 = 82,183,739.10 : x
  2. Step 2: Convert to fraction form
    149,167,706.87/205,840,854.50 = 82,183,739.10/x
  3. Step 3: Cross multiply
    149,167,706.87x = 205,840,854.50 × 82,183,739.10
  4. Step 4: Simplify right side
    149,167,706.87x = 16,916,771,081,938,142
  5. Step 5: Solve for x
    x = 16,916,771,081,938,142/149,167,706.87
  6. Step 6: Final answer
    x = 113,407,730.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.