Home / 127,689,683.70-191,561,425.50-41,421,354.42

Finding the Fourth Proportional to 127,689,683.70, 191,561,425.50 and 41,421,354.42

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Solution

The fourth proportional to 127,689,683.70, 191,561,425.50 and 41,421,354.42 is: 62,140,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,689,683.70 : 191,561,425.50 = 41,421,354.42 : x
  2. Step 2: Convert to fraction form
    127,689,683.70/191,561,425.50 = 41,421,354.42/x
  3. Step 3: Cross multiply
    127,689,683.70x = 191,561,425.50 × 41,421,354.42
  4. Step 4: Simplify right side
    127,689,683.70x = 7,934,733,698,835,926
  5. Step 5: Solve for x
    x = 7,934,733,698,835,926/127,689,683.70
  6. Step 6: Final answer
    x = 62,140,757.73

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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.