Home / 77,987,973.84-116,930,950.20-73,705,575.12

Finding the Fourth Proportional to 77,987,973.84, 116,930,950.20 and 73,705,575.12

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Solution

The fourth proportional to 77,987,973.84, 116,930,950.20 and 73,705,575.12 is: 110,510,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,987,973.84 : 116,930,950.20 = 73,705,575.12 : x
  2. Step 2: Convert to fraction form
    77,987,973.84/116,930,950.20 = 73,705,575.12/x
  3. Step 3: Cross multiply
    77,987,973.84x = 116,930,950.20 × 73,705,575.12
  4. Step 4: Simplify right side
    77,987,973.84x = 8,618,462,933,819,080
  5. Step 5: Solve for x
    x = 8,618,462,933,819,080/77,987,973.84
  6. Step 6: Final answer
    x = 110,510,153.16

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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.