Home / 76,179,799.41-105,128,740.95-41,372,739.01

Finding the Fourth Proportional to 76,179,799.41, 105,128,740.95 and 41,372,739.01

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Solution

The fourth proportional to 76,179,799.41, 105,128,740.95 and 41,372,739.01 is: 57,094,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,179,799.41 : 105,128,740.95 = 41,372,739.01 : x
  2. Step 2: Convert to fraction form
    76,179,799.41/105,128,740.95 = 41,372,739.01/x
  3. Step 3: Cross multiply
    76,179,799.41x = 105,128,740.95 × 41,372,739.01
  4. Step 4: Simplify right side
    76,179,799.41x = 4,349,463,961,774,249.50
  5. Step 5: Solve for x
    x = 4,349,463,961,774,249.50/76,179,799.41
  6. Step 6: Final answer
    x = 57,094,715.34

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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.