Home / 170,830,213.20-256,245,319.80-169,237,688.40

Finding the Fourth Proportional to 170,830,213.20, 256,245,319.80 and 169,237,688.40

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Solution

The fourth proportional to 170,830,213.20, 256,245,319.80 and 169,237,688.40 is: 253,856,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830,213.20 : 256,245,319.80 = 169,237,688.40 : x
  2. Step 2: Convert to fraction form
    170,830,213.20/256,245,319.80 = 169,237,688.40/x
  3. Step 3: Cross multiply
    170,830,213.20x = 256,245,319.80 × 169,237,688.40
  4. Step 4: Simplify right side
    170,830,213.20x = 43,366,365,586,270,752
  5. Step 5: Solve for x
    x = 43,366,365,586,270,752/170,830,213.20
  6. Step 6: Final answer
    x = 253,856,532.60

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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.