Home / 78,825,300.67-118,225,113.31-27,695,383.93

Finding the Fourth Proportional to 78,825,300.67, 118,225,113.31 and 27,695,383.93

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Solution

The fourth proportional to 78,825,300.67, 118,225,113.31 and 27,695,383.93 is: 41,538,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,825,300.67 : 118,225,113.31 = 27,695,383.93 : x
  2. Step 2: Convert to fraction form
    78,825,300.67/118,225,113.31 = 27,695,383.93/x
  3. Step 3: Cross multiply
    78,825,300.67x = 118,225,113.31 × 27,695,383.93
  4. Step 4: Simplify right side
    78,825,300.67x = 3,274,289,902,923,402
  5. Step 5: Solve for x
    x = 3,274,289,902,923,402/78,825,300.67
  6. Step 6: Final answer
    x = 41,538,565.35

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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.