Home / 200,874,800.40-301,312,200.60-155,525,168.40

Finding the Fourth Proportional to 200,874,800.40, 301,312,200.60 and 155,525,168.40

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Solution

The fourth proportional to 200,874,800.40, 301,312,200.60 and 155,525,168.40 is: 233,287,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,874,800.40 : 301,312,200.60 = 155,525,168.40 : x
  2. Step 2: Convert to fraction form
    200,874,800.40/301,312,200.60 = 155,525,168.40/x
  3. Step 3: Cross multiply
    200,874,800.40x = 301,312,200.60 × 155,525,168.40
  4. Step 4: Simplify right side
    200,874,800.40x = 46,861,630,739,289,584
  5. Step 5: Solve for x
    x = 46,861,630,739,289,584/200,874,800.40
  6. Step 6: Final answer
    x = 233,287,752.60

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1.5x scale

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.