Home / 57,239,554.08-78,983,408.04-38,695,044.72

Finding the Fourth Proportional to 57,239,554.08, 78,983,408.04 and 38,695,044.72

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Solution

The fourth proportional to 57,239,554.08, 78,983,408.04 and 38,695,044.72 is: 53,394,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239,554.08 : 78,983,408.04 = 38,695,044.72 : x
  2. Step 2: Convert to fraction form
    57,239,554.08/78,983,408.04 = 38,695,044.72/x
  3. Step 3: Cross multiply
    57,239,554.08x = 78,983,408.04 × 38,695,044.72
  4. Step 4: Simplify right side
    57,239,554.08x = 3,056,266,506,245,807.50
  5. Step 5: Solve for x
    x = 3,056,266,506,245,807.50/57,239,554.08
  6. Step 6: Final answer
    x = 53,394,310.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.