Home / 142,197,873.96-213,296,810.96-39,961,911.58

Finding the Fourth Proportional to 142,197,873.96, 213,296,810.96 and 39,961,911.58

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Solution

The fourth proportional to 142,197,873.96, 213,296,810.96 and 39,961,911.58 is: 59,942,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,197,873.96 : 213,296,810.96 = 39,961,911.58 : x
  2. Step 2: Convert to fraction form
    142,197,873.96/213,296,810.96 = 39,961,911.58/x
  3. Step 3: Cross multiply
    142,197,873.96x = 213,296,810.96 × 39,961,911.58
  4. Step 4: Simplify right side
    142,197,873.96x = 8,523,748,300,645,953
  5. Step 5: Solve for x
    x = 8,523,748,300,645,953/142,197,873.96
  6. Step 6: Final answer
    x = 59,942,867.38

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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.