Home / 291,287,944.96-401,983,289.76-159,137,500.84

Finding the Fourth Proportional to 291,287,944.96, 401,983,289.76 and 159,137,500.84

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Solution

The fourth proportional to 291,287,944.96, 401,983,289.76 and 159,137,500.84 is: 219,612,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,287,944.96 : 401,983,289.76 = 159,137,500.84 : x
  2. Step 2: Convert to fraction form
    291,287,944.96/401,983,289.76 = 159,137,500.84/x
  3. Step 3: Cross multiply
    291,287,944.96x = 401,983,289.76 × 159,137,500.84
  4. Step 4: Simplify right side
    291,287,944.96x = 63,970,616,111,847,960
  5. Step 5: Solve for x
    x = 63,970,616,111,847,960/291,287,944.96
  6. Step 6: Final answer
    x = 219,612,988.52

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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.