Home / 238,222,993.60-357,334,490.40-85,042,014.40

Finding the Fourth Proportional to 238,222,993.60, 357,334,490.40 and 85,042,014.40

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Solution

The fourth proportional to 238,222,993.60, 357,334,490.40 and 85,042,014.40 is: 127,563,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,222,993.60 : 357,334,490.40 = 85,042,014.40 : x
  2. Step 2: Convert to fraction form
    238,222,993.60/357,334,490.40 = 85,042,014.40/x
  3. Step 3: Cross multiply
    238,222,993.60x = 357,334,490.40 × 85,042,014.40
  4. Step 4: Simplify right side
    238,222,993.60x = 30,388,444,878,213,460
  5. Step 5: Solve for x
    x = 30,388,444,878,213,460/238,222,993.60
  6. Step 6: Final answer
    x = 127,563,021.60

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1.5x scale

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.