Home / 82,015,395,025.87-123,637,814,758.82-76,548,226,047.12

Finding the Fourth Proportional to 82,015,395,025.87, 123,637,814,758.82 and 76,548,226,047.12

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Solution

The fourth proportional to 82,015,395,025.87, 123,637,814,758.82 and 76,548,226,047.12 is: 115,396,083,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,015,395,025.87 : 123,637,814,758.82 = 76,548,226,047.12 : x
  2. Step 2: Convert to fraction form
    82,015,395,025.87/123,637,814,758.82 = 76,548,226,047.12/x
  3. Step 3: Cross multiply
    82,015,395,025.87x = 123,637,814,758.82 × 76,548,226,047.12
  4. Step 4: Simplify right side
    82,015,395,025.87x = 9,464,255,392,129,484,849,152
  5. Step 5: Solve for x
    x = 9,464,255,392,129,484,849,152/82,015,395,025.87
  6. Step 6: Final answer
    x = 115,396,083,737.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.