Home / 160,103,429.40-220,942,921.52-86,764,571.40

Finding the Fourth Proportional to 160,103,429.40, 220,942,921.52 and 86,764,571.40

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Solution

The fourth proportional to 160,103,429.40, 220,942,921.52 and 86,764,571.40 is: 119,735,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,103,429.40 : 220,942,921.52 = 86,764,571.40 : x
  2. Step 2: Convert to fraction form
    160,103,429.40/220,942,921.52 = 86,764,571.40/x
  3. Step 3: Cross multiply
    160,103,429.40x = 220,942,921.52 × 86,764,571.40
  4. Step 4: Simplify right side
    160,103,429.40x = 19,170,017,889,546,640
  5. Step 5: Solve for x
    x = 19,170,017,889,546,640/160,103,429.40
  6. Step 6: Final answer
    x = 119,735,210.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.