Home / 74,140,749.21-111,229,647.48-52,323,726.90

Finding the Fourth Proportional to 74,140,749.21, 111,229,647.48 and 52,323,726.90

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Solution

The fourth proportional to 74,140,749.21, 111,229,647.48 and 52,323,726.90 is: 78,498,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,140,749.21 : 111,229,647.48 = 52,323,726.90 : x
  2. Step 2: Convert to fraction form
    74,140,749.21/111,229,647.48 = 52,323,726.90/x
  3. Step 3: Cross multiply
    74,140,749.21x = 111,229,647.48 × 52,323,726.90
  4. Step 4: Simplify right side
    74,140,749.21x = 5,819,949,697,926,793
  5. Step 5: Solve for x
    x = 5,819,949,697,926,793/74,140,749.21
  6. Step 6: Final answer
    x = 78,498,663.15

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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.