Home / 209,933,206.60-314,899,809.90-118,100,201.80

Finding the Fourth Proportional to 209,933,206.60, 314,899,809.90 and 118,100,201.80

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Solution

The fourth proportional to 209,933,206.60, 314,899,809.90 and 118,100,201.80 is: 177,150,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,933,206.60 : 314,899,809.90 = 118,100,201.80 : x
  2. Step 2: Convert to fraction form
    209,933,206.60/314,899,809.90 = 118,100,201.80/x
  3. Step 3: Cross multiply
    209,933,206.60x = 314,899,809.90 × 118,100,201.80
  4. Step 4: Simplify right side
    209,933,206.60x = 37,189,731,095,971,632
  5. Step 5: Solve for x
    x = 37,189,731,095,971,632/209,933,206.60
  6. Step 6: Final answer
    x = 177,150,302.70

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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.