Home / 193,920,665.60-290,880,998.40-121,361,254.40

Finding the Fourth Proportional to 193,920,665.60, 290,880,998.40 and 121,361,254.40

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Solution

The fourth proportional to 193,920,665.60, 290,880,998.40 and 121,361,254.40 is: 182,041,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,920,665.60 : 290,880,998.40 = 121,361,254.40 : x
  2. Step 2: Convert to fraction form
    193,920,665.60/290,880,998.40 = 121,361,254.40/x
  3. Step 3: Cross multiply
    193,920,665.60x = 290,880,998.40 × 121,361,254.40
  4. Step 4: Simplify right side
    193,920,665.60x = 35,301,682,846,948,392
  5. Step 5: Solve for x
    x = 35,301,682,846,948,392/193,920,665.60
  6. Step 6: Final answer
    x = 182,041,881.60

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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.