Home / 106,978,200.40-160,467,300.60-105,970,430.80

Finding the Fourth Proportional to 106,978,200.40, 160,467,300.60 and 105,970,430.80

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Solution

The fourth proportional to 106,978,200.40, 160,467,300.60 and 105,970,430.80 is: 158,955,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,978,200.40 : 160,467,300.60 = 105,970,430.80 : x
  2. Step 2: Convert to fraction form
    106,978,200.40/160,467,300.60 = 105,970,430.80/x
  3. Step 3: Cross multiply
    106,978,200.40x = 160,467,300.60 × 105,970,430.80
  4. Step 4: Simplify right side
    106,978,200.40x = 17,004,788,973,895,098
  5. Step 5: Solve for x
    x = 17,004,788,973,895,098/106,978,200.40
  6. Step 6: Final answer
    x = 158,955,646.20

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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.