Home / 140,898,806.40-194,441,761.32-79,017,816.36

Finding the Fourth Proportional to 140,898,806.40, 194,441,761.32 and 79,017,816.36

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Solution

The fourth proportional to 140,898,806.40, 194,441,761.32 and 79,017,816.36 is: 109,045,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,898,806.40 : 194,441,761.32 = 79,017,816.36 : x
  2. Step 2: Convert to fraction form
    140,898,806.40/194,441,761.32 = 79,017,816.36/x
  3. Step 3: Cross multiply
    140,898,806.40x = 194,441,761.32 × 79,017,816.36
  4. Step 4: Simplify right side
    140,898,806.40x = 15,364,363,388,698,710
  5. Step 5: Solve for x
    x = 15,364,363,388,698,710/140,898,806.40
  6. Step 6: Final answer
    x = 109,045,376.47

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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.