Home / 321,705,347.63-443,917,856.73-180,544,191.15

Finding the Fourth Proportional to 321,705,347.63, 443,917,856.73 and 180,544,191.15

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Solution

The fourth proportional to 321,705,347.63, 443,917,856.73 and 180,544,191.15 is: 249,131,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,705,347.63 : 443,917,856.73 = 180,544,191.15 : x
  2. Step 2: Convert to fraction form
    321,705,347.63/443,917,856.73 = 180,544,191.15/x
  3. Step 3: Cross multiply
    321,705,347.63x = 443,917,856.73 × 180,544,191.15
  4. Step 4: Simplify right side
    321,705,347.63x = 80,146,790,380,359,440
  5. Step 5: Solve for x
    x = 80,146,790,380,359,440/321,705,347.63
  6. Step 6: Final answer
    x = 249,131,047.93

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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.