Home / 200,410,266.30-300,615,399.45-155,004,647.10

Finding the Fourth Proportional to 200,410,266.30, 300,615,399.45 and 155,004,647.10

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Solution

The fourth proportional to 200,410,266.30, 300,615,399.45 and 155,004,647.10 is: 232,506,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,410,266.30 : 300,615,399.45 = 155,004,647.10 : x
  2. Step 2: Convert to fraction form
    200,410,266.30/300,615,399.45 = 155,004,647.10/x
  3. Step 3: Cross multiply
    200,410,266.30x = 300,615,399.45 × 155,004,647.10
  4. Step 4: Simplify right side
    200,410,266.30x = 46,596,783,904,572,784
  5. Step 5: Solve for x
    x = 46,596,783,904,572,784/200,410,266.30
  6. Step 6: Final answer
    x = 232,506,970.65

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Similar ratio
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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.