Home / 208,729,145.84-312,821,355.23-116,609,162.90

Finding the Fourth Proportional to 208,729,145.84, 312,821,355.23 and 116,609,162.90

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Solution

The fourth proportional to 208,729,145.84, 312,821,355.23 and 116,609,162.90 is: 174,761,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,729,145.84 : 312,821,355.23 = 116,609,162.90 : x
  2. Step 2: Convert to fraction form
    208,729,145.84/312,821,355.23 = 116,609,162.90/x
  3. Step 3: Cross multiply
    208,729,145.84x = 312,821,355.23 × 116,609,162.90
  4. Step 4: Simplify right side
    208,729,145.84x = 36,477,836,369,232,808
  5. Step 5: Solve for x
    x = 36,477,836,369,232,808/208,729,145.84
  6. Step 6: Final answer
    x = 174,761,585.04

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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.