Home / 47,182,533.74-70,740,897.44-20,907,078.68

Finding the Fourth Proportional to 47,182,533.74, 70,740,897.44 and 20,907,078.68

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Solution

The fourth proportional to 47,182,533.74, 70,740,897.44 and 20,907,078.68 is: 31,346,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,182,533.74 : 70,740,897.44 = 20,907,078.68 : x
  2. Step 2: Convert to fraction form
    47,182,533.74/70,740,897.44 = 20,907,078.68/x
  3. Step 3: Cross multiply
    47,182,533.74x = 70,740,897.44 × 20,907,078.68
  4. Step 4: Simplify right side
    47,182,533.74x = 1,478,985,508,370,453.75
  5. Step 5: Solve for x
    x = 1,478,985,508,370,453.75/47,182,533.74
  6. Step 6: Final answer
    x = 31,346,038.28

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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.