Home / 232,437,726.40-320,740,325.28-143,115,486.40

Finding the Fourth Proportional to 232,437,726.40, 320,740,325.28 and 143,115,486.40

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Solution

The fourth proportional to 232,437,726.40, 320,740,325.28 and 143,115,486.40 is: 197,484,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,437,726.40 : 320,740,325.28 = 143,115,486.40 : x
  2. Step 2: Convert to fraction form
    232,437,726.40/320,740,325.28 = 143,115,486.40/x
  3. Step 3: Cross multiply
    232,437,726.40x = 320,740,325.28 × 143,115,486.40
  4. Step 4: Simplify right side
    232,437,726.40x = 45,902,907,660,541,416
  5. Step 5: Solve for x
    x = 45,902,907,660,541,416/232,437,726.40
  6. Step 6: Final answer
    x = 197,484,755.90

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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.