Home / 170,824,287.20-256,236,430.80-169,231,762.40

Finding the Fourth Proportional to 170,824,287.20, 256,236,430.80 and 169,231,762.40

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Solution

The fourth proportional to 170,824,287.20, 256,236,430.80 and 169,231,762.40 is: 253,847,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,824,287.20 : 256,236,430.80 = 169,231,762.40 : x
  2. Step 2: Convert to fraction form
    170,824,287.20/256,236,430.80 = 169,231,762.40/x
  3. Step 3: Cross multiply
    170,824,287.20x = 256,236,430.80 × 169,231,762.40
  4. Step 4: Simplify right side
    170,824,287.20x = 43,363,342,775,369,648
  5. Step 5: Solve for x
    x = 43,363,342,775,369,648/170,824,287.20
  6. Step 6: Final answer
    x = 253,847,643.60

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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.