Home / 79,349,021.80-119,023,532.70-21,850,167.40

Finding the Fourth Proportional to 79,349,021.80, 119,023,532.70 and 21,850,167.40

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Solution

The fourth proportional to 79,349,021.80, 119,023,532.70 and 21,850,167.40 is: 32,775,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,349,021.80 : 119,023,532.70 = 21,850,167.40 : x
  2. Step 2: Convert to fraction form
    79,349,021.80/119,023,532.70 = 21,850,167.40/x
  3. Step 3: Cross multiply
    79,349,021.80x = 119,023,532.70 × 21,850,167.40
  4. Step 4: Simplify right side
    79,349,021.80x = 2,600,684,114,034,374
  5. Step 5: Solve for x
    x = 2,600,684,114,034,374/79,349,021.80
  6. Step 6: Final answer
    x = 32,775,251.10

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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.