Home / 140,898,816.40-194,441,775.12-79,017,826.36

Finding the Fourth Proportional to 140,898,816.40, 194,441,775.12 and 79,017,826.36

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Solution

The fourth proportional to 140,898,816.40, 194,441,775.12 and 79,017,826.36 is: 109,045,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,898,816.40 : 194,441,775.12 = 79,017,826.36 : x
  2. Step 2: Convert to fraction form
    140,898,816.40/194,441,775.12 = 79,017,826.36/x
  3. Step 3: Cross multiply
    140,898,816.40x = 194,441,775.12 × 79,017,826.36
  4. Step 4: Simplify right side
    140,898,816.40x = 15,364,366,423,562,328
  5. Step 5: Solve for x
    x = 15,364,366,423,562,328/140,898,816.40
  6. Step 6: Final answer
    x = 109,045,390.27

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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.