Home / 77,512,818.01-116,265,362.02-28,987,104.33

Finding the Fourth Proportional to 77,512,818.01, 116,265,362.02 and 28,987,104.33

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Solution

The fourth proportional to 77,512,818.01, 116,265,362.02 and 28,987,104.33 is: 43,479,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512,818.01 : 116,265,362.02 = 28,987,104.33 : x
  2. Step 2: Convert to fraction form
    77,512,818.01/116,265,362.02 = 28,987,104.33/x
  3. Step 3: Cross multiply
    77,512,818.01x = 116,265,362.02 × 28,987,104.33
  4. Step 4: Simplify right side
    77,512,818.01x = 3,370,196,178,838,959
  5. Step 5: Solve for x
    x = 3,370,196,178,838,959/77,512,818.01
  6. Step 6: Final answer
    x = 43,479,211.12

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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.