Home / 77,512,405.32-116,264,742.66-28,986,691.32

Finding the Fourth Proportional to 77,512,405.32, 116,264,742.66 and 28,986,691.32

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Solution

The fourth proportional to 77,512,405.32, 116,264,742.66 and 28,986,691.32 is: 43,478,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512,405.32 : 116,264,742.66 = 28,986,691.32 : x
  2. Step 2: Convert to fraction form
    77,512,405.32/116,264,742.66 = 28,986,691.32/x
  3. Step 3: Cross multiply
    77,512,405.32x = 116,264,742.66 × 28,986,691.32
  4. Step 4: Simplify right side
    77,512,405.32x = 3,370,130,206,884,655.50
  5. Step 5: Solve for x
    x = 3,370,130,206,884,655.50/77,512,405.32
  6. Step 6: Final answer
    x = 43,478,591.50

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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.