Home / 209,953,739.70-314,930,609.55-133,048,322.10

Finding the Fourth Proportional to 209,953,739.70, 314,930,609.55 and 133,048,322.10

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Solution

The fourth proportional to 209,953,739.70, 314,930,609.55 and 133,048,322.10 is: 199,572,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,739.70 : 314,930,609.55 = 133,048,322.10 : x
  2. Step 2: Convert to fraction form
    209,953,739.70/314,930,609.55 = 133,048,322.10/x
  3. Step 3: Cross multiply
    209,953,739.70x = 314,930,609.55 × 133,048,322.10
  4. Step 4: Simplify right side
    209,953,739.70x = 41,900,989,178,557,736
  5. Step 5: Solve for x
    x = 41,900,989,178,557,736/209,953,739.70
  6. Step 6: Final answer
    x = 199,572,483.15

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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.