Home / 79,171,241.20-118,719,593.60-30,671,804.32

Finding the Fourth Proportional to 79,171,241.20, 118,719,593.60 and 30,671,804.32

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Solution

The fourth proportional to 79,171,241.20, 118,719,593.60 and 30,671,804.32 is: 45,993,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,171,241.20 : 118,719,593.60 = 30,671,804.32 : x
  2. Step 2: Convert to fraction form
    79,171,241.20/118,719,593.60 = 30,671,804.32/x
  3. Step 3: Cross multiply
    79,171,241.20x = 118,719,593.60 × 30,671,804.32
  4. Step 4: Simplify right side
    79,171,241.20x = 3,641,344,143,849,124
  5. Step 5: Solve for x
    x = 3,641,344,143,849,124/79,171,241.20
  6. Step 6: Final answer
    x = 45,993,268.37

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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.