Home / 143,650,923.65-198,238,880.01-80,927,774.18

Finding the Fourth Proportional to 143,650,923.65, 198,238,880.01 and 80,927,774.18

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Solution

The fourth proportional to 143,650,923.65, 198,238,880.01 and 80,927,774.18 is: 111,680,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,650,923.65 : 198,238,880.01 = 80,927,774.18 : x
  2. Step 2: Convert to fraction form
    143,650,923.65/198,238,880.01 = 80,927,774.18/x
  3. Step 3: Cross multiply
    143,650,923.65x = 198,238,880.01 × 80,927,774.18
  4. Step 4: Simplify right side
    143,650,923.65x = 16,043,031,315,145,396
  5. Step 5: Solve for x
    x = 16,043,031,315,145,396/143,650,923.65
  6. Step 6: Final answer
    x = 111,680,669.41

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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.