Home / 209,953,735.20-314,930,602.80-133,048,317.60

Finding the Fourth Proportional to 209,953,735.20, 314,930,602.80 and 133,048,317.60

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Solution

The fourth proportional to 209,953,735.20, 314,930,602.80 and 133,048,317.60 is: 199,572,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,735.20 : 314,930,602.80 = 133,048,317.60 : x
  2. Step 2: Convert to fraction form
    209,953,735.20/314,930,602.80 = 133,048,317.60/x
  3. Step 3: Cross multiply
    209,953,735.20x = 314,930,602.80 × 133,048,317.60
  4. Step 4: Simplify right side
    209,953,735.20x = 41,900,986,863,293,848
  5. Step 5: Solve for x
    x = 41,900,986,863,293,848/209,953,735.20
  6. Step 6: Final answer
    x = 199,572,476.40

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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.