Home / 139,432,579.80-208,744,983.73-105,033,852.37

Finding the Fourth Proportional to 139,432,579.80, 208,744,983.73 and 105,033,852.37

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Solution

The fourth proportional to 139,432,579.80, 208,744,983.73 and 105,033,852.37 is: 157,246,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,432,579.80 : 208,744,983.73 = 105,033,852.37 : x
  2. Step 2: Convert to fraction form
    139,432,579.80/208,744,983.73 = 105,033,852.37/x
  3. Step 3: Cross multiply
    139,432,579.80x = 208,744,983.73 × 105,033,852.37
  4. Step 4: Simplify right side
    139,432,579.80x = 21,925,289,804,074,872
  5. Step 5: Solve for x
    x = 21,925,289,804,074,872/139,432,579.80
  6. Step 6: Final answer
    x = 157,246,533.31

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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.