Home / 77,735,999.60-116,603,999.40-65,642,764.40

Finding the Fourth Proportional to 77,735,999.60, 116,603,999.40 and 65,642,764.40

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Solution

The fourth proportional to 77,735,999.60, 116,603,999.40 and 65,642,764.40 is: 98,464,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,735,999.60 : 116,603,999.40 = 65,642,764.40 : x
  2. Step 2: Convert to fraction form
    77,735,999.60/116,603,999.40 = 65,642,764.40/x
  3. Step 3: Cross multiply
    77,735,999.60x = 116,603,999.40 × 65,642,764.40
  4. Step 4: Simplify right side
    77,735,999.60x = 7,654,208,860,711,942
  5. Step 5: Solve for x
    x = 7,654,208,860,711,942/77,735,999.60
  6. Step 6: Final answer
    x = 98,464,146.60

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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.