Home / 112,591,556.50-155,375,298.21-63,698,984.50

Finding the Fourth Proportional to 112,591,556.50, 155,375,298.21 and 63,698,984.50

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Solution

The fourth proportional to 112,591,556.50, 155,375,298.21 and 63,698,984.50 is: 87,904,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,591,556.50 : 155,375,298.21 = 63,698,984.50 : x
  2. Step 2: Convert to fraction form
    112,591,556.50/155,375,298.21 = 63,698,984.50/x
  3. Step 3: Cross multiply
    112,591,556.50x = 155,375,298.21 × 63,698,984.50
  4. Step 4: Simplify right side
    112,591,556.50x = 9,897,248,712,361,668
  5. Step 5: Solve for x
    x = 9,897,248,712,361,668/112,591,556.50
  6. Step 6: Final answer
    x = 87,904,004.71

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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.