Home / 212,674,378.20-319,011,567.30-136,083,888.60

Finding the Fourth Proportional to 212,674,378.20, 319,011,567.30 and 136,083,888.60

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Solution

The fourth proportional to 212,674,378.20, 319,011,567.30 and 136,083,888.60 is: 204,125,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,674,378.20 : 319,011,567.30 = 136,083,888.60 : x
  2. Step 2: Convert to fraction form
    212,674,378.20/319,011,567.30 = 136,083,888.60/x
  3. Step 3: Cross multiply
    212,674,378.20x = 319,011,567.30 × 136,083,888.60
  4. Step 4: Simplify right side
    212,674,378.20x = 43,412,334,586,564,600
  5. Step 5: Solve for x
    x = 43,412,334,586,564,600/212,674,378.20
  6. Step 6: Final answer
    x = 204,125,832.90

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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.