Home / 149,765,628.55-206,697,097.35-86,184,661.77

Finding the Fourth Proportional to 149,765,628.55, 206,697,097.35 and 86,184,661.77

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Solution

The fourth proportional to 149,765,628.55, 206,697,097.35 and 86,184,661.77 is: 118,946,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,765,628.55 : 206,697,097.35 = 86,184,661.77 : x
  2. Step 2: Convert to fraction form
    149,765,628.55/206,697,097.35 = 86,184,661.77/x
  3. Step 3: Cross multiply
    149,765,628.55x = 206,697,097.35 × 86,184,661.77
  4. Step 4: Simplify right side
    149,765,628.55x = 17,814,119,424,314,212
  5. Step 5: Solve for x
    x = 17,814,119,424,314,212/149,765,628.55
  6. Step 6: Final answer
    x = 118,946,647.48

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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.