Home / 80,402,895.72-120,600,352.26-25,818,153.48

Finding the Fourth Proportional to 80,402,895.72, 120,600,352.26 and 25,818,153.48

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Solution

The fourth proportional to 80,402,895.72, 120,600,352.26 and 25,818,153.48 is: 38,725,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402,895.72 : 120,600,352.26 = 25,818,153.48 : x
  2. Step 2: Convert to fraction form
    80,402,895.72/120,600,352.26 = 25,818,153.48/x
  3. Step 3: Cross multiply
    80,402,895.72x = 120,600,352.26 × 25,818,153.48
  4. Step 4: Simplify right side
    80,402,895.72x = 3,113,678,404,390,745
  5. Step 5: Solve for x
    x = 3,113,678,404,390,745/80,402,895.72
  6. Step 6: Final answer
    x = 38,725,948.57

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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.