Home / 76,328,064.17-114,203,186.44-45,220,428.89

Finding the Fourth Proportional to 76,328,064.17, 114,203,186.44 and 45,220,428.89

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Solution

The fourth proportional to 76,328,064.17, 114,203,186.44 and 45,220,428.89 is: 67,659,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,328,064.17 : 114,203,186.44 = 45,220,428.89 : x
  2. Step 2: Convert to fraction form
    76,328,064.17/114,203,186.44 = 45,220,428.89/x
  3. Step 3: Cross multiply
    76,328,064.17x = 114,203,186.44 × 45,220,428.89
  4. Step 4: Simplify right side
    76,328,064.17x = 5,164,317,070,737,365
  5. Step 5: Solve for x
    x = 5,164,317,070,737,365/76,328,064.17
  6. Step 6: Final answer
    x = 67,659,479.21

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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.