Home / 86,365,777.96-129,571,378.94-31,039,201

Finding the Fourth Proportional to 86,365,777.96, 129,571,378.94 and 31,039,201

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Solution

The fourth proportional to 86,365,777.96, 129,571,378.94 and 31,039,201 is: 46,566,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,365,777.96 : 129,571,378.94 = 31,039,201 : x
  2. Step 2: Convert to fraction form
    86,365,777.96/129,571,378.94 = 31,039,201/x
  3. Step 3: Cross multiply
    86,365,777.96x = 129,571,378.94 × 31,039,201
  4. Step 4: Simplify right side
    86,365,777.96x = 4,021,792,074,765,827
  5. Step 5: Solve for x
    x = 4,021,792,074,765,827/86,365,777.96
  6. Step 6: Final answer
    x = 46,566,964.02

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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.