Home / 80,918,467.84-111,677,712.24-53,064,611.76

Finding the Fourth Proportional to 80,918,467.84, 111,677,712.24 and 53,064,611.76

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Solution

The fourth proportional to 80,918,467.84, 111,677,712.24 and 53,064,611.76 is: 73,235,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,918,467.84 : 111,677,712.24 = 53,064,611.76 : x
  2. Step 2: Convert to fraction form
    80,918,467.84/111,677,712.24 = 53,064,611.76/x
  3. Step 3: Cross multiply
    80,918,467.84x = 111,677,712.24 × 53,064,611.76
  4. Step 4: Simplify right side
    80,918,467.84x = 5,926,134,442,260,599
  5. Step 5: Solve for x
    x = 5,926,134,442,260,599/80,918,467.84
  6. Step 6: Final answer
    x = 73,235,870.63

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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.