Home / 192,830,249.60-289,128,817.28-77,680,303.36

Finding the Fourth Proportional to 192,830,249.60, 289,128,817.28 and 77,680,303.36

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Solution

The fourth proportional to 192,830,249.60, 289,128,817.28 and 77,680,303.36 is: 116,473,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,830,249.60 : 289,128,817.28 = 77,680,303.36 : x
  2. Step 2: Convert to fraction form
    192,830,249.60/289,128,817.28 = 77,680,303.36/x
  3. Step 3: Cross multiply
    192,830,249.60x = 289,128,817.28 × 77,680,303.36
  4. Step 4: Simplify right side
    192,830,249.60x = 22,459,614,236,428,408
  5. Step 5: Solve for x
    x = 22,459,614,236,428,408/192,830,249.60
  6. Step 6: Final answer
    x = 116,473,500.83

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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.