Home / 140,898,850.40-194,441,822.04-79,017,860.36

Finding the Fourth Proportional to 140,898,850.40, 194,441,822.04 and 79,017,860.36

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Solution

The fourth proportional to 140,898,850.40, 194,441,822.04 and 79,017,860.36 is: 109,045,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,898,850.40 : 194,441,822.04 = 79,017,860.36 : x
  2. Step 2: Convert to fraction form
    140,898,850.40/194,441,822.04 = 79,017,860.36/x
  3. Step 3: Cross multiply
    140,898,850.40x = 194,441,822.04 × 79,017,860.36
  4. Step 4: Simplify right side
    140,898,850.40x = 15,364,376,742,100,690
  5. Step 5: Solve for x
    x = 15,364,376,742,100,690/140,898,850.40
  6. Step 6: Final answer
    x = 109,045,437.19

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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.