Home / 149,765,639.18-206,697,111.99-86,184,672.36

Finding the Fourth Proportional to 149,765,639.18, 206,697,111.99 and 86,184,672.36

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Solution

The fourth proportional to 149,765,639.18, 206,697,111.99 and 86,184,672.36 is: 118,946,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,765,639.18 : 206,697,111.99 = 86,184,672.36 : x
  2. Step 2: Convert to fraction form
    149,765,639.18/206,697,111.99 = 86,184,672.36/x
  3. Step 3: Cross multiply
    149,765,639.18x = 206,697,111.99 × 86,184,672.36
  4. Step 4: Simplify right side
    149,765,639.18x = 17,814,122,874,616,378
  5. Step 5: Solve for x
    x = 17,814,122,874,616,378/149,765,639.18
  6. Step 6: Final answer
    x = 118,946,662.08

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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.