Home / 251,740,799.08-377,669,615.50-79,213,128.64

Finding the Fourth Proportional to 251,740,799.08, 377,669,615.50 and 79,213,128.64

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Solution

The fourth proportional to 251,740,799.08, 377,669,615.50 and 79,213,128.64 is: 118,838,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,740,799.08 : 377,669,615.50 = 79,213,128.64 : x
  2. Step 2: Convert to fraction form
    251,740,799.08/377,669,615.50 = 79,213,128.64/x
  3. Step 3: Cross multiply
    251,740,799.08x = 377,669,615.50 × 79,213,128.64
  4. Step 4: Simplify right side
    251,740,799.08x = 29,916,391,836,020,840
  5. Step 5: Solve for x
    x = 29,916,391,836,020,840/251,740,799.08
  6. Step 6: Final answer
    x = 118,838,074.50

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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.