Home / 85,532,674.18-128,311,814.66-30,958,028.52

Finding the Fourth Proportional to 85,532,674.18, 128,311,814.66 and 30,958,028.52

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Solution

The fourth proportional to 85,532,674.18, 128,311,814.66 and 30,958,028.52 is: 46,441,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,532,674.18 : 128,311,814.66 = 30,958,028.52 : x
  2. Step 2: Convert to fraction form
    85,532,674.18/128,311,814.66 = 30,958,028.52/x
  3. Step 3: Cross multiply
    85,532,674.18x = 128,311,814.66 × 30,958,028.52
  4. Step 4: Simplify right side
    85,532,674.18x = 3,972,280,817,697,234
  5. Step 5: Solve for x
    x = 3,972,280,817,697,234/85,532,674.18
  6. Step 6: Final answer
    x = 46,441,676.89

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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.