Home / 56,769,158.03-78,341,469.41-30,663,675.83

Finding the Fourth Proportional to 56,769,158.03, 78,341,469.41 and 30,663,675.83

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Solution

The fourth proportional to 56,769,158.03, 78,341,469.41 and 30,663,675.83 is: 42,315,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,769,158.03 : 78,341,469.41 = 30,663,675.83 : x
  2. Step 2: Convert to fraction form
    56,769,158.03/78,341,469.41 = 30,663,675.83/x
  3. Step 3: Cross multiply
    56,769,158.03x = 78,341,469.41 × 30,663,675.83
  4. Step 4: Simplify right side
    56,769,158.03x = 2,402,237,422,306,614
  5. Step 5: Solve for x
    x = 2,402,237,422,306,614/56,769,158.03
  6. Step 6: Final answer
    x = 42,315,889.58

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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.