Home / 209,952,407.70-314,928,611.55-190,804,785.30

Finding the Fourth Proportional to 209,952,407.70, 314,928,611.55 and 190,804,785.30

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Solution

The fourth proportional to 209,952,407.70, 314,928,611.55 and 190,804,785.30 is: 286,207,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,407.70 : 314,928,611.55 = 190,804,785.30 : x
  2. Step 2: Convert to fraction form
    209,952,407.70/314,928,611.55 = 190,804,785.30/x
  3. Step 3: Cross multiply
    209,952,407.70x = 314,928,611.55 × 190,804,785.30
  4. Step 4: Simplify right side
    209,952,407.70x = 60,089,886,111,624,856
  5. Step 5: Solve for x
    x = 60,089,886,111,624,856/209,952,407.70
  6. Step 6: Final answer
    x = 286,207,177.95

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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.