Home / 360,008,015.95-540,008,087.31-87,378,782.95

Finding the Fourth Proportional to 360,008,015.95, 540,008,087.31 and 87,378,782.95

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Solution

The fourth proportional to 360,008,015.95, 540,008,087.31 and 87,378,782.95 is: 131,067,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,008,015.95 : 540,008,087.31 = 87,378,782.95 : x
  2. Step 2: Convert to fraction form
    360,008,015.95/540,008,087.31 = 87,378,782.95/x
  3. Step 3: Cross multiply
    360,008,015.95x = 540,008,087.31 × 87,378,782.95
  4. Step 4: Simplify right side
    360,008,015.95x = 47,185,249,452,305,136
  5. Step 5: Solve for x
    x = 47,185,249,452,305,136/360,008,015.95
  6. Step 6: Final answer
    x = 131,067,218.96

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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.