Home / 178,628,940.80-267,943,411.20-177,117,286.40

Finding the Fourth Proportional to 178,628,940.80, 267,943,411.20 and 177,117,286.40

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Solution

The fourth proportional to 178,628,940.80, 267,943,411.20 and 177,117,286.40 is: 265,675,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,628,940.80 : 267,943,411.20 = 177,117,286.40 : x
  2. Step 2: Convert to fraction form
    178,628,940.80/267,943,411.20 = 177,117,286.40/x
  3. Step 3: Cross multiply
    178,628,940.80x = 267,943,411.20 × 177,117,286.40
  4. Step 4: Simplify right side
    178,628,940.80x = 47,457,409,900,503,368
  5. Step 5: Solve for x
    x = 47,457,409,900,503,368/178,628,940.80
  6. Step 6: Final answer
    x = 265,675,929.60

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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.