Home / 200,874,798.40-301,312,197.60-155,525,166.40

Finding the Fourth Proportional to 200,874,798.40, 301,312,197.60 and 155,525,166.40

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Solution

The fourth proportional to 200,874,798.40, 301,312,197.60 and 155,525,166.40 is: 233,287,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,874,798.40 : 301,312,197.60 = 155,525,166.40 : x
  2. Step 2: Convert to fraction form
    200,874,798.40/301,312,197.60 = 155,525,166.40/x
  3. Step 3: Cross multiply
    200,874,798.40x = 301,312,197.60 × 155,525,166.40
  4. Step 4: Simplify right side
    200,874,798.40x = 46,861,629,670,089,688
  5. Step 5: Solve for x
    x = 46,861,629,670,089,688/200,874,798.40
  6. Step 6: Final answer
    x = 233,287,749.60

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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.