Home / 209,640,759.60-314,461,139.40-64,074,039.60

Finding the Fourth Proportional to 209,640,759.60, 314,461,139.40 and 64,074,039.60

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Solution

The fourth proportional to 209,640,759.60, 314,461,139.40 and 64,074,039.60 is: 96,111,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,640,759.60 : 314,461,139.40 = 64,074,039.60 : x
  2. Step 2: Convert to fraction form
    209,640,759.60/314,461,139.40 = 64,074,039.60/x
  3. Step 3: Cross multiply
    209,640,759.60x = 314,461,139.40 × 64,074,039.60
  4. Step 4: Simplify right side
    209,640,759.60x = 20,148,795,498,576,720
  5. Step 5: Solve for x
    x = 20,148,795,498,576,720/209,640,759.60
  6. Step 6: Final answer
    x = 96,111,059.40

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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.