Home / 78,146,365.96-117,236,476.32-23,554,384.48

Finding the Fourth Proportional to 78,146,365.96, 117,236,476.32 and 23,554,384.48

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Solution

The fourth proportional to 78,146,365.96, 117,236,476.32 and 23,554,384.48 is: 35,336,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,146,365.96 : 117,236,476.32 = 23,554,384.48 : x
  2. Step 2: Convert to fraction form
    78,146,365.96/117,236,476.32 = 23,554,384.48/x
  3. Step 3: Cross multiply
    78,146,365.96x = 117,236,476.32 × 23,554,384.48
  4. Step 4: Simplify right side
    78,146,365.96x = 2,761,433,038,321,695.50
  5. Step 5: Solve for x
    x = 2,761,433,038,321,695.50/78,146,365.96
  6. Step 6: Final answer
    x = 35,336,678.86

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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.