Home / 80,864,703.83-121,252,635.33-39,833,862.23

Finding the Fourth Proportional to 80,864,703.83, 121,252,635.33 and 39,833,862.23

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Solution

The fourth proportional to 80,864,703.83, 121,252,635.33 and 39,833,862.23 is: 59,728,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,864,703.83 : 121,252,635.33 = 39,833,862.23 : x
  2. Step 2: Convert to fraction form
    80,864,703.83/121,252,635.33 = 39,833,862.23/x
  3. Step 3: Cross multiply
    80,864,703.83x = 121,252,635.33 × 39,833,862.23
  4. Step 4: Simplify right side
    80,864,703.83x = 4,829,960,770,153,388
  5. Step 5: Solve for x
    x = 4,829,960,770,153,388/80,864,703.83
  6. Step 6: Final answer
    x = 59,728,911.89

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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.