Home / 288,684,077.40-432,942,135.30-159,353,645.40

Finding the Fourth Proportional to 288,684,077.40, 432,942,135.30 and 159,353,645.40

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Solution

The fourth proportional to 288,684,077.40, 432,942,135.30 and 159,353,645.40 is: 238,984,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,684,077.40 : 432,942,135.30 = 159,353,645.40 : x
  2. Step 2: Convert to fraction form
    288,684,077.40/432,942,135.30 = 159,353,645.40/x
  3. Step 3: Cross multiply
    288,684,077.40x = 432,942,135.30 × 159,353,645.40
  4. Step 4: Simplify right side
    288,684,077.40x = 68,990,907,507,315,024
  5. Step 5: Solve for x
    x = 68,990,907,507,315,024/288,684,077.40
  6. Step 6: Final answer
    x = 238,984,110.69

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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.