Home / 312,131,173.32-468,262,457.64-118,038,247.56

Finding the Fourth Proportional to 312,131,173.32, 468,262,457.64 and 118,038,247.56

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Solution

The fourth proportional to 312,131,173.32, 468,262,457.64 and 118,038,247.56 is: 177,082,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,131,173.32 : 468,262,457.64 = 118,038,247.56 : x
  2. Step 2: Convert to fraction form
    312,131,173.32/468,262,457.64 = 118,038,247.56/x
  3. Step 3: Cross multiply
    312,131,173.32x = 468,262,457.64 × 118,038,247.56
  4. Step 4: Simplify right side
    312,131,173.32x = 55,272,879,897,964,336
  5. Step 5: Solve for x
    x = 55,272,879,897,964,336/312,131,173.32
  6. Step 6: Final answer
    x = 177,082,216.14

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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.