Home / 207,777,142,881.20-311,712,709,794.72-112,161,109,407.73

Finding the Fourth Proportional to 207,777,142,881.20, 311,712,709,794.72 and 112,161,109,407.73

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Solution

The fourth proportional to 207,777,142,881.20, 311,712,709,794.72 and 112,161,109,407.73 is: 168,267,032,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,777,142,881.20 : 311,712,709,794.72 = 112,161,109,407.73 : x
  2. Step 2: Convert to fraction form
    207,777,142,881.20/311,712,709,794.72 = 112,161,109,407.73/x
  3. Step 3: Cross multiply
    207,777,142,881.20x = 311,712,709,794.72 × 112,161,109,407.73
  4. Step 4: Simplify right side
    207,777,142,881.20x = 34,962,043,347,065,576,095,744
  5. Step 5: Solve for x
    x = 34,962,043,347,065,576,095,744/207,777,142,881.20
  6. Step 6: Final answer
    x = 168,267,032,948.16

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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.