Home / 76,030,748.64-113,860,114.36-68,661,436.28

Finding the Fourth Proportional to 76,030,748.64, 113,860,114.36 and 68,661,436.28

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Solution

The fourth proportional to 76,030,748.64, 113,860,114.36 and 68,661,436.28 is: 102,824,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,030,748.64 : 113,860,114.36 = 68,661,436.28 : x
  2. Step 2: Convert to fraction form
    76,030,748.64/113,860,114.36 = 68,661,436.28/x
  3. Step 3: Cross multiply
    76,030,748.64x = 113,860,114.36 × 68,661,436.28
  4. Step 4: Simplify right side
    76,030,748.64x = 7,817,798,986,221,700
  5. Step 5: Solve for x
    x = 7,817,798,986,221,700/76,030,748.64
  6. Step 6: Final answer
    x = 102,824,174.77

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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.