Home / 72,482,238,553.27-100,028,589,374.28-40,367,595,557.93

Finding the Fourth Proportional to 72,482,238,553.27, 100,028,589,374.28 and 40,367,595,557.93

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Solution

The fourth proportional to 72,482,238,553.27, 100,028,589,374.28 and 40,367,595,557.93 is: 55,709,008,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,482,238,553.27 : 100,028,589,374.28 = 40,367,595,557.93 : x
  2. Step 2: Convert to fraction form
    72,482,238,553.27/100,028,589,374.28 = 40,367,595,557.93/x
  3. Step 3: Cross multiply
    72,482,238,553.27x = 100,028,589,374.28 × 40,367,595,557.93
  4. Step 4: Simplify right side
    72,482,238,553.27x = 4,037,913,640,090,789,216,256
  5. Step 5: Solve for x
    x = 4,037,913,640,090,789,216,256/72,482,238,553.27
  6. Step 6: Final answer
    x = 55,709,008,450.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.