Home / 236,216,941.20-354,325,411.80-187,430,657.40

Finding the Fourth Proportional to 236,216,941.20, 354,325,411.80 and 187,430,657.40

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Solution

The fourth proportional to 236,216,941.20, 354,325,411.80 and 187,430,657.40 is: 281,145,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,216,941.20 : 354,325,411.80 = 187,430,657.40 : x
  2. Step 2: Convert to fraction form
    236,216,941.20/354,325,411.80 = 187,430,657.40/x
  3. Step 3: Cross multiply
    236,216,941.20x = 354,325,411.80 × 187,430,657.40
  4. Step 4: Simplify right side
    236,216,941.20x = 66,411,444,867,199,720
  5. Step 5: Solve for x
    x = 66,411,444,867,199,720/236,216,941.20
  6. Step 6: Final answer
    x = 281,145,986.10

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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.