Home / 291,477,972.96-402,228,609.04-159,317,854.56

Finding the Fourth Proportional to 291,477,972.96, 402,228,609.04 and 159,317,854.56

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Solution

The fourth proportional to 291,477,972.96, 402,228,609.04 and 159,317,854.56 is: 219,852,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,477,972.96 : 402,228,609.04 = 159,317,854.56 : x
  2. Step 2: Convert to fraction form
    291,477,972.96/402,228,609.04 = 159,317,854.56/x
  3. Step 3: Cross multiply
    291,477,972.96x = 402,228,609.04 × 159,317,854.56
  4. Step 4: Simplify right side
    291,477,972.96x = 64,082,199,034,905,824
  5. Step 5: Solve for x
    x = 64,082,199,034,905,824/291,477,972.96
  6. Step 6: Final answer
    x = 219,852,630.32

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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.