Home / 132,880,059.80-199,376,076.90-72,339,234.20

Finding the Fourth Proportional to 132,880,059.80, 199,376,076.90 and 72,339,234.20

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Solution

The fourth proportional to 132,880,059.80, 199,376,076.90 and 72,339,234.20 is: 108,539,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880,059.80 : 199,376,076.90 = 72,339,234.20 : x
  2. Step 2: Convert to fraction form
    132,880,059.80/199,376,076.90 = 72,339,234.20/x
  3. Step 3: Cross multiply
    132,880,059.80x = 199,376,076.90 × 72,339,234.20
  4. Step 4: Simplify right side
    132,880,059.80x = 14,422,712,720,746,312
  5. Step 5: Solve for x
    x = 14,422,712,720,746,312/132,880,059.80
  6. Step 6: Final answer
    x = 108,539,330.45

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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.