Home / 76,049,172,002.40-114,073,758,003.60-72,824,813,167.20

Finding the Fourth Proportional to 76,049,172,002.40, 114,073,758,003.60 and 72,824,813,167.20

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Solution

The fourth proportional to 76,049,172,002.40, 114,073,758,003.60 and 72,824,813,167.20 is: 109,237,219,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,049,172,002.40 : 114,073,758,003.60 = 72,824,813,167.20 : x
  2. Step 2: Convert to fraction form
    76,049,172,002.40/114,073,758,003.60 = 72,824,813,167.20/x
  3. Step 3: Cross multiply
    76,049,172,002.40x = 114,073,758,003.60 × 72,824,813,167.20
  4. Step 4: Simplify right side
    76,049,172,002.40x = 8,307,400,113,892,556,275,712
  5. Step 5: Solve for x
    x = 8,307,400,113,892,556,275,712/76,049,172,002.40
  6. Step 6: Final answer
    x = 109,237,219,750.80

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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.