Home / 298,186,477.76-447,262,893.74-132,142,159.10

Finding the Fourth Proportional to 298,186,477.76, 447,262,893.74 and 132,142,159.10

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Solution

The fourth proportional to 298,186,477.76, 447,262,893.74 and 132,142,159.10 is: 198,205,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,186,477.76 : 447,262,893.74 = 132,142,159.10 : x
  2. Step 2: Convert to fraction form
    298,186,477.76/447,262,893.74 = 132,142,159.10/x
  3. Step 3: Cross multiply
    298,186,477.76x = 447,262,893.74 × 132,142,159.10
  4. Step 4: Simplify right side
    298,186,477.76x = 59,102,284,462,211,512
  5. Step 5: Solve for x
    x = 59,102,284,462,211,512/298,186,477.76
  6. Step 6: Final answer
    x = 198,205,783.53

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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.