Home / 77,512,428.82-116,264,777.91-28,986,714.82

Finding the Fourth Proportional to 77,512,428.82, 116,264,777.91 and 28,986,714.82

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Solution

The fourth proportional to 77,512,428.82, 116,264,777.91 and 28,986,714.82 is: 43,478,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512,428.82 : 116,264,777.91 = 28,986,714.82 : x
  2. Step 2: Convert to fraction form
    77,512,428.82/116,264,777.91 = 28,986,714.82/x
  3. Step 3: Cross multiply
    77,512,428.82x = 116,264,777.91 × 28,986,714.82
  4. Step 4: Simplify right side
    77,512,428.82x = 3,370,133,960,887,805.50
  5. Step 5: Solve for x
    x = 3,370,133,960,887,805.50/77,512,428.82
  6. Step 6: Final answer
    x = 43,478,626.75

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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.