Home / 297,199,556.10-445,799,334.15-78,849,476.10

Finding the Fourth Proportional to 297,199,556.10, 445,799,334.15 and 78,849,476.10

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Solution

The fourth proportional to 297,199,556.10, 445,799,334.15 and 78,849,476.10 is: 118,274,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,199,556.10 : 445,799,334.15 = 78,849,476.10 : x
  2. Step 2: Convert to fraction form
    297,199,556.10/445,799,334.15 = 78,849,476.10/x
  3. Step 3: Cross multiply
    297,199,556.10x = 445,799,334.15 × 78,849,476.10
  4. Step 4: Simplify right side
    297,199,556.10x = 35,151,043,943,456,336
  5. Step 5: Solve for x
    x = 35,151,043,943,456,336/297,199,556.10
  6. Step 6: Final answer
    x = 118,274,214.15

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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.