Home / 203,643,636.90-281,087,437.86-133,089,860.64

Finding the Fourth Proportional to 203,643,636.90, 281,087,437.86 and 133,089,860.64

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Solution

The fourth proportional to 203,643,636.90, 281,087,437.86 and 133,089,860.64 is: 183,702,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,643,636.90 : 281,087,437.86 = 133,089,860.64 : x
  2. Step 2: Convert to fraction form
    203,643,636.90/281,087,437.86 = 133,089,860.64/x
  3. Step 3: Cross multiply
    203,643,636.90x = 281,087,437.86 × 133,089,860.64
  4. Step 4: Simplify right side
    203,643,636.90x = 37,409,887,932,442,064
  5. Step 5: Solve for x
    x = 37,409,887,932,442,064/203,643,636.90
  6. Step 6: Final answer
    x = 183,702,709.80

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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.