Home / 325,188,001.60-487,620,601.80-117,918,138.40

Finding the Fourth Proportional to 325,188,001.60, 487,620,601.80 and 117,918,138.40

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Solution

The fourth proportional to 325,188,001.60, 487,620,601.80 and 117,918,138.40 is: 176,818,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,188,001.60 : 487,620,601.80 = 117,918,138.40 : x
  2. Step 2: Convert to fraction form
    325,188,001.60/487,620,601.80 = 117,918,138.40/x
  3. Step 3: Cross multiply
    325,188,001.60x = 487,620,601.80 × 117,918,138.40
  4. Step 4: Simplify right side
    325,188,001.60x = 57,499,313,609,743,696
  5. Step 5: Solve for x
    x = 57,499,313,609,743,696/325,188,001.60
  6. Step 6: Final answer
    x = 176,818,681.28

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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.