Home / 170,443,407.90-255,515,812.65-102,313,206.30

Finding the Fourth Proportional to 170,443,407.90, 255,515,812.65 and 102,313,206.30

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Solution

The fourth proportional to 170,443,407.90, 255,515,812.65 and 102,313,206.30 is: 153,380,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,443,407.90 : 255,515,812.65 = 102,313,206.30 : x
  2. Step 2: Convert to fraction form
    170,443,407.90/255,515,812.65 = 102,313,206.30/x
  3. Step 3: Cross multiply
    170,443,407.90x = 255,515,812.65 × 102,313,206.30
  4. Step 4: Simplify right side
    170,443,407.90x = 26,142,642,052,571,600
  5. Step 5: Solve for x
    x = 26,142,642,052,571,600/170,443,407.90
  6. Step 6: Final answer
    x = 153,380,188.62

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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.