Home / 106,507,816.80-159,761,725.20-49,112,188.80

Finding the Fourth Proportional to 106,507,816.80, 159,761,725.20 and 49,112,188.80

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Solution

The fourth proportional to 106,507,816.80, 159,761,725.20 and 49,112,188.80 is: 73,668,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,507,816.80 : 159,761,725.20 = 49,112,188.80 : x
  2. Step 2: Convert to fraction form
    106,507,816.80/159,761,725.20 = 49,112,188.80/x
  3. Step 3: Cross multiply
    106,507,816.80x = 159,761,725.20 × 49,112,188.80
  4. Step 4: Simplify right side
    106,507,816.80x = 7,846,248,011,036,117
  5. Step 5: Solve for x
    x = 7,846,248,011,036,117/106,507,816.80
  6. Step 6: Final answer
    x = 73,668,283.20

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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.