Home / 49,739,925.90-74,583,316.80-20,953,538.40

Finding the Fourth Proportional to 49,739,925.90, 74,583,316.80 and 20,953,538.40

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Solution

The fourth proportional to 49,739,925.90, 74,583,316.80 and 20,953,538.40 is: 31,419,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739,925.90 : 74,583,316.80 = 20,953,538.40 : x
  2. Step 2: Convert to fraction form
    49,739,925.90/74,583,316.80 = 20,953,538.40/x
  3. Step 3: Cross multiply
    49,739,925.90x = 74,583,316.80 × 20,953,538.40
  4. Step 4: Simplify right side
    49,739,925.90x = 1,562,784,392,568,165
  5. Step 5: Solve for x
    x = 1,562,784,392,568,165/49,739,925.90
  6. Step 6: Final answer
    x = 31,419,113.81

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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.