Home / 76,127,756.32-105,056,410-41,320,454

Finding the Fourth Proportional to 76,127,756.32, 105,056,410 and 41,320,454

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Solution

The fourth proportional to 76,127,756.32, 105,056,410 and 41,320,454 is: 57,022,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,127,756.32 : 105,056,410 = 41,320,454 : x
  2. Step 2: Convert to fraction form
    76,127,756.32/105,056,410 = 41,320,454/x
  3. Step 3: Cross multiply
    76,127,756.32x = 105,056,410 × 41,320,454
  4. Step 4: Simplify right side
    76,127,756.32x = 4,340,978,556,810,140
  5. Step 5: Solve for x
    x = 4,340,978,556,810,140/76,127,756.32
  6. Step 6: Final answer
    x = 57,022,284.21

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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.