Home / 170,770,436.80-256,155,655.20-43,119,620.80

Finding the Fourth Proportional to 170,770,436.80, 256,155,655.20 and 43,119,620.80

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Solution

The fourth proportional to 170,770,436.80, 256,155,655.20 and 43,119,620.80 is: 64,679,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,770,436.80 : 256,155,655.20 = 43,119,620.80 : x
  2. Step 2: Convert to fraction form
    170,770,436.80/256,155,655.20 = 43,119,620.80/x
  3. Step 3: Cross multiply
    170,770,436.80x = 256,155,655.20 × 43,119,620.80
  4. Step 4: Simplify right side
    170,770,436.80x = 11,045,334,717,999,546
  5. Step 5: Solve for x
    x = 11,045,334,717,999,546/170,770,436.80
  6. Step 6: Final answer
    x = 64,679,431.20

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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.