Home / 323,834,947.65-485,638,764.48-90,602,986.05

Finding the Fourth Proportional to 323,834,947.65, 485,638,764.48 and 90,602,986.05

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Solution

The fourth proportional to 323,834,947.65, 485,638,764.48 and 90,602,986.05 is: 135,872,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,834,947.65 : 485,638,764.48 = 90,602,986.05 : x
  2. Step 2: Convert to fraction form
    323,834,947.65/485,638,764.48 = 90,602,986.05/x
  3. Step 3: Cross multiply
    323,834,947.65x = 485,638,764.48 × 90,602,986.05
  4. Step 4: Simplify right side
    323,834,947.65x = 44,000,322,203,520,672
  5. Step 5: Solve for x
    x = 44,000,322,203,520,672/323,834,947.65
  6. Step 6: Final answer
    x = 135,872,679.96

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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.