Home / 200,085,424.65-300,128,136.98-166,073,200.65

Finding the Fourth Proportional to 200,085,424.65, 300,128,136.98 and 166,073,200.65

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Solution

The fourth proportional to 200,085,424.65, 300,128,136.98 and 166,073,200.65 is: 249,109,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,085,424.65 : 300,128,136.98 = 166,073,200.65 : x
  2. Step 2: Convert to fraction form
    200,085,424.65/300,128,136.98 = 166,073,200.65/x
  3. Step 3: Cross multiply
    200,085,424.65x = 300,128,136.98 × 166,073,200.65
  4. Step 4: Simplify right side
    200,085,424.65x = 49,843,240,312,559,864
  5. Step 5: Solve for x
    x = 49,843,240,312,559,864/200,085,424.65
  6. Step 6: Final answer
    x = 249,109,800.98

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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.