Home / 76,416,009.60-114,624,014.40-52,229,539.20

Finding the Fourth Proportional to 76,416,009.60, 114,624,014.40 and 52,229,539.20

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Solution

The fourth proportional to 76,416,009.60, 114,624,014.40 and 52,229,539.20 is: 78,344,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416,009.60 : 114,624,014.40 = 52,229,539.20 : x
  2. Step 2: Convert to fraction form
    76,416,009.60/114,624,014.40 = 52,229,539.20/x
  3. Step 3: Cross multiply
    76,416,009.60x = 114,624,014.40 × 52,229,539.20
  4. Step 4: Simplify right side
    76,416,009.60x = 5,986,759,453,366,165
  5. Step 5: Solve for x
    x = 5,986,759,453,366,165/76,416,009.60
  6. Step 6: Final answer
    x = 78,344,308.80

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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.