Home / 79,149,080.08-109,225,741.12-43,869,160.48

Finding the Fourth Proportional to 79,149,080.08, 109,225,741.12 and 43,869,160.48

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Solution

The fourth proportional to 79,149,080.08, 109,225,741.12 and 43,869,160.48 is: 60,539,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,149,080.08 : 109,225,741.12 = 43,869,160.48 : x
  2. Step 2: Convert to fraction form
    79,149,080.08/109,225,741.12 = 43,869,160.48/x
  3. Step 3: Cross multiply
    79,149,080.08x = 109,225,741.12 × 43,869,160.48
  4. Step 4: Simplify right side
    79,149,080.08x = 4,791,641,565,740,215
  5. Step 5: Solve for x
    x = 4,791,641,565,740,215/79,149,080.08
  6. Step 6: Final answer
    x = 60,539,447.34

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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.