Home / 49,538,421.60-74,307,632.40-15,455,338.80

Finding the Fourth Proportional to 49,538,421.60, 74,307,632.40 and 15,455,338.80

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Solution

The fourth proportional to 49,538,421.60, 74,307,632.40 and 15,455,338.80 is: 23,183,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538,421.60 : 74,307,632.40 = 15,455,338.80 : x
  2. Step 2: Convert to fraction form
    49,538,421.60/74,307,632.40 = 15,455,338.80/x
  3. Step 3: Cross multiply
    49,538,421.60x = 74,307,632.40 × 15,455,338.80
  4. Step 4: Simplify right side
    49,538,421.60x = 1,148,449,634,167,857.25
  5. Step 5: Solve for x
    x = 1,148,449,634,167,857.25/49,538,421.60
  6. Step 6: Final answer
    x = 23,183,008.20

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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.