Home / 432,158,745.75-648,341,245.23-141,026,410.18

Finding the Fourth Proportional to 432,158,745.75, 648,341,245.23 and 141,026,410.18

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Solution

The fourth proportional to 432,158,745.75, 648,341,245.23 and 141,026,410.18 is: 211,573,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,158,745.75 : 648,341,245.23 = 141,026,410.18 : x
  2. Step 2: Convert to fraction form
    432,158,745.75/648,341,245.23 = 141,026,410.18/x
  3. Step 3: Cross multiply
    432,158,745.75x = 648,341,245.23 × 141,026,410.18
  4. Step 4: Simplify right side
    432,158,745.75x = 91,433,238,386,417,952
  5. Step 5: Solve for x
    x = 91,433,238,386,417,952/432,158,745.75
  6. Step 6: Final answer
    x = 211,573,268.59

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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.