Home / 74,865,281.80-112,297,922.70-71,889,212.20

Finding the Fourth Proportional to 74,865,281.80, 112,297,922.70 and 71,889,212.20

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Solution

The fourth proportional to 74,865,281.80, 112,297,922.70 and 71,889,212.20 is: 107,833,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,865,281.80 : 112,297,922.70 = 71,889,212.20 : x
  2. Step 2: Convert to fraction form
    74,865,281.80/112,297,922.70 = 71,889,212.20/x
  3. Step 3: Cross multiply
    74,865,281.80x = 112,297,922.70 × 71,889,212.20
  4. Step 4: Simplify right side
    74,865,281.80x = 8,073,009,194,599,497
  5. Step 5: Solve for x
    x = 8,073,009,194,599,497/74,865,281.80
  6. Step 6: Final answer
    x = 107,833,818.30

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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.