Home / 71,869,333.40-107,804,000.10-39,508,731.80

Finding the Fourth Proportional to 71,869,333.40, 107,804,000.10 and 39,508,731.80

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Solution

The fourth proportional to 71,869,333.40, 107,804,000.10 and 39,508,731.80 is: 59,263,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,869,333.40 : 107,804,000.10 = 39,508,731.80 : x
  2. Step 2: Convert to fraction form
    71,869,333.40/107,804,000.10 = 39,508,731.80/x
  3. Step 3: Cross multiply
    71,869,333.40x = 107,804,000.10 × 39,508,731.80
  4. Step 4: Simplify right side
    71,869,333.40x = 4,259,199,326,918,072.50
  5. Step 5: Solve for x
    x = 4,259,199,326,918,072.50/71,869,333.40
  6. Step 6: Final answer
    x = 59,263,097.70

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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.