Home / 77,860,333.75-116,802,113.72-28,672,405.01

Finding the Fourth Proportional to 77,860,333.75, 116,802,113.72 and 28,672,405.01

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Solution

The fourth proportional to 77,860,333.75, 116,802,113.72 and 28,672,405.01 is: 43,012,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,860,333.75 : 116,802,113.72 = 28,672,405.01 : x
  2. Step 2: Convert to fraction form
    77,860,333.75/116,802,113.72 = 28,672,405.01/x
  3. Step 3: Cross multiply
    77,860,333.75x = 116,802,113.72 × 28,672,405.01
  4. Step 4: Simplify right side
    77,860,333.75x = 3,348,997,510,091,588
  5. Step 5: Solve for x
    x = 3,348,997,510,091,588/77,860,333.75
  6. Step 6: Final answer
    x = 43,012,884.08

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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.