Home / 291,575,835-402,383,050.38-161,204,041.08

Finding the Fourth Proportional to 291,575,835, 402,383,050.38 and 161,204,041.08

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Solution

The fourth proportional to 291,575,835, 402,383,050.38 and 161,204,041.08 is: 222,466,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,575,835 : 402,383,050.38 = 161,204,041.08 : x
  2. Step 2: Convert to fraction form
    291,575,835/402,383,050.38 = 161,204,041.08/x
  3. Step 3: Cross multiply
    291,575,835x = 402,383,050.38 × 161,204,041.08
  4. Step 4: Simplify right side
    291,575,835x = 64,865,773,783,353,232
  5. Step 5: Solve for x
    x = 64,865,773,783,353,232/291,575,835
  6. Step 6: Final answer
    x = 222,466,219.75

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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.