Home / 56,948,393.70-78,588,758.16-30,842,910.90

Finding the Fourth Proportional to 56,948,393.70, 78,588,758.16 and 30,842,910.90

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Solution

The fourth proportional to 56,948,393.70, 78,588,758.16 and 30,842,910.90 is: 42,563,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,948,393.70 : 78,588,758.16 = 30,842,910.90 : x
  2. Step 2: Convert to fraction form
    56,948,393.70/78,588,758.16 = 30,842,910.90/x
  3. Step 3: Cross multiply
    56,948,393.70x = 78,588,758.16 × 30,842,910.90
  4. Step 4: Simplify right side
    56,948,393.70x = 2,423,906,065,670,527.50
  5. Step 5: Solve for x
    x = 2,423,906,065,670,527.50/56,948,393.70
  6. Step 6: Final answer
    x = 42,563,203.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.