Home / 83,926,285.40-125,889,428.10-49,830,080.60

Finding the Fourth Proportional to 83,926,285.40, 125,889,428.10 and 49,830,080.60

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Solution

The fourth proportional to 83,926,285.40, 125,889,428.10 and 49,830,080.60 is: 74,745,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,926,285.40 : 125,889,428.10 = 49,830,080.60 : x
  2. Step 2: Convert to fraction form
    83,926,285.40/125,889,428.10 = 49,830,080.60/x
  3. Step 3: Cross multiply
    83,926,285.40x = 125,889,428.10 × 49,830,080.60
  4. Step 4: Simplify right side
    83,926,285.40x = 6,273,080,348,910,905
  5. Step 5: Solve for x
    x = 6,273,080,348,910,905/83,926,285.40
  6. Step 6: Final answer
    x = 74,745,120.90

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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.