Home / 159,444,896.94-220,033,960.54-86,106,038.94

Finding the Fourth Proportional to 159,444,896.94, 220,033,960.54 and 86,106,038.94

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Solution

The fourth proportional to 159,444,896.94, 220,033,960.54 and 86,106,038.94 is: 118,826,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,444,896.94 : 220,033,960.54 = 86,106,038.94 : x
  2. Step 2: Convert to fraction form
    159,444,896.94/220,033,960.54 = 86,106,038.94/x
  3. Step 3: Cross multiply
    159,444,896.94x = 220,033,960.54 × 86,106,038.94
  4. Step 4: Simplify right side
    159,444,896.94x = 18,946,252,774,379,664
  5. Step 5: Solve for x
    x = 18,946,252,774,379,664/159,444,896.94
  6. Step 6: Final answer
    x = 118,826,335.23

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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.