Home / 170,405,614.40-255,459,122.40-102,275,412.80

Finding the Fourth Proportional to 170,405,614.40, 255,459,122.40 and 102,275,412.80

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Solution

The fourth proportional to 170,405,614.40, 255,459,122.40 and 102,275,412.80 is: 153,323,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,405,614.40 : 255,459,122.40 = 102,275,412.80 : x
  2. Step 2: Convert to fraction form
    170,405,614.40/255,459,122.40 = 102,275,412.80/x
  3. Step 3: Cross multiply
    170,405,614.40x = 255,459,122.40 × 102,275,412.80
  4. Step 4: Simplify right side
    170,405,614.40x = 26,127,187,196,985,728
  5. Step 5: Solve for x
    x = 26,127,187,196,985,728/170,405,614.40
  6. Step 6: Final answer
    x = 153,323,511.60

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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.