Home / 159,767,400.60-239,651,100.90-68,890,989.60

Finding the Fourth Proportional to 159,767,400.60, 239,651,100.90 and 68,890,989.60

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Solution

The fourth proportional to 159,767,400.60, 239,651,100.90 and 68,890,989.60 is: 103,336,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,767,400.60 : 239,651,100.90 = 68,890,989.60 : x
  2. Step 2: Convert to fraction form
    159,767,400.60/239,651,100.90 = 68,890,989.60/x
  3. Step 3: Cross multiply
    159,767,400.60x = 239,651,100.90 × 68,890,989.60
  4. Step 4: Simplify right side
    159,767,400.60x = 16,509,801,499,730,450
  5. Step 5: Solve for x
    x = 16,509,801,499,730,450/159,767,400.60
  6. Step 6: Final answer
    x = 103,336,484.40

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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.