Home / 236,216,943.70-354,325,415.55-187,430,659.90

Finding the Fourth Proportional to 236,216,943.70, 354,325,415.55 and 187,430,659.90

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Solution

The fourth proportional to 236,216,943.70, 354,325,415.55 and 187,430,659.90 is: 281,145,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,216,943.70 : 354,325,415.55 = 187,430,659.90 : x
  2. Step 2: Convert to fraction form
    236,216,943.70/354,325,415.55 = 187,430,659.90/x
  3. Step 3: Cross multiply
    236,216,943.70x = 354,325,415.55 × 187,430,659.90
  4. Step 4: Simplify right side
    236,216,943.70x = 66,411,446,455,878,224
  5. Step 5: Solve for x
    x = 66,411,446,455,878,224/236,216,943.70
  6. Step 6: Final answer
    x = 281,145,989.85

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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.