Home / 178,911,641.20-268,367,461.80-177,777,900.40

Finding the Fourth Proportional to 178,911,641.20, 268,367,461.80 and 177,777,900.40

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Solution

The fourth proportional to 178,911,641.20, 268,367,461.80 and 177,777,900.40 is: 266,666,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,911,641.20 : 268,367,461.80 = 177,777,900.40 : x
  2. Step 2: Convert to fraction form
    178,911,641.20/268,367,461.80 = 177,777,900.40/x
  3. Step 3: Cross multiply
    178,911,641.20x = 268,367,461.80 × 177,777,900.40
  4. Step 4: Simplify right side
    178,911,641.20x = 47,709,803,894,481,208
  5. Step 5: Solve for x
    x = 47,709,803,894,481,208/178,911,641.20
  6. Step 6: Final answer
    x = 266,666,850.60

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1.5x scale

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.