Home / 311,554,575.67-467,318,872.73-81,518,567.35

Finding the Fourth Proportional to 311,554,575.67, 467,318,872.73 and 81,518,567.35

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Solution

The fourth proportional to 311,554,575.67, 467,318,872.73 and 81,518,567.35 is: 122,274,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,554,575.67 : 467,318,872.73 = 81,518,567.35 : x
  2. Step 2: Convert to fraction form
    311,554,575.67/467,318,872.73 = 81,518,567.35/x
  3. Step 3: Cross multiply
    311,554,575.67x = 467,318,872.73 × 81,518,567.35
  4. Step 4: Simplify right side
    311,554,575.67x = 38,095,165,000,566,584
  5. Step 5: Solve for x
    x = 38,095,165,000,566,584/311,554,575.67
  6. Step 6: Final answer
    x = 122,274,451.98

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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.