Home / 85,065,627.60-127,598,441.40-39,632,014.80

Finding the Fourth Proportional to 85,065,627.60, 127,598,441.40 and 39,632,014.80

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Solution

The fourth proportional to 85,065,627.60, 127,598,441.40 and 39,632,014.80 is: 59,448,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065,627.60 : 127,598,441.40 = 39,632,014.80 : x
  2. Step 2: Convert to fraction form
    85,065,627.60/127,598,441.40 = 39,632,014.80/x
  3. Step 3: Cross multiply
    85,065,627.60x = 127,598,441.40 × 39,632,014.80
  4. Step 4: Simplify right side
    85,065,627.60x = 5,056,983,318,021,733
  5. Step 5: Solve for x
    x = 5,056,983,318,021,733/85,065,627.60
  6. Step 6: Final answer
    x = 59,448,022.20

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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.