Home / 260,355,970.98-359,267,492.34-154,491,143.40

Finding the Fourth Proportional to 260,355,970.98, 359,267,492.34 and 154,491,143.40

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Solution

The fourth proportional to 260,355,970.98, 359,267,492.34 and 154,491,143.40 is: 213,183,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,355,970.98 : 359,267,492.34 = 154,491,143.40 : x
  2. Step 2: Convert to fraction form
    260,355,970.98/359,267,492.34 = 154,491,143.40/x
  3. Step 3: Cross multiply
    260,355,970.98x = 359,267,492.34 × 154,491,143.40
  4. Step 4: Simplify right side
    260,355,970.98x = 55,503,645,678,057,336
  5. Step 5: Solve for x
    x = 55,503,645,678,057,336/260,355,970.98
  6. Step 6: Final answer
    x = 213,183,686.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.