Home / 170,006,306.20-255,576,329.70-145,064,008.60

Finding the Fourth Proportional to 170,006,306.20, 255,576,329.70 and 145,064,008.60

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Solution

The fourth proportional to 170,006,306.20, 255,576,329.70 and 145,064,008.60 is: 218,079,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,006,306.20 : 255,576,329.70 = 145,064,008.60 : x
  2. Step 2: Convert to fraction form
    170,006,306.20/255,576,329.70 = 145,064,008.60/x
  3. Step 3: Cross multiply
    170,006,306.20x = 255,576,329.70 × 145,064,008.60
  4. Step 4: Simplify right side
    170,006,306.20x = 37,074,926,889,557,232
  5. Step 5: Solve for x
    x = 37,074,926,889,557,232/170,006,306.20
  6. Step 6: Final answer
    x = 218,079,715.50

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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.