Home / 312,203,828.89-468,124,223.00-118,130,211.64

Finding the Fourth Proportional to 312,203,828.89, 468,124,223.00 and 118,130,211.64

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Solution

The fourth proportional to 312,203,828.89, 468,124,223.00 and 118,130,211.64 is: 177,126,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,203,828.89 : 468,124,223.00 = 118,130,211.64 : x
  2. Step 2: Convert to fraction form
    312,203,828.89/468,124,223.00 = 118,130,211.64/x
  3. Step 3: Cross multiply
    312,203,828.89x = 468,124,223.00 × 118,130,211.64
  4. Step 4: Simplify right side
    312,203,828.89x = 55,299,613,533,869,288
  5. Step 5: Solve for x
    x = 55,299,613,533,869,288/312,203,828.89
  6. Step 6: Final answer
    x = 177,126,634.65

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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.