Home / 76,403,347.80-114,353,079.30-53,728,531.80

Finding the Fourth Proportional to 76,403,347.80, 114,353,079.30 and 53,728,531.80

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Solution

The fourth proportional to 76,403,347.80, 114,353,079.30 and 53,728,531.80 is: 80,415,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,403,347.80 : 114,353,079.30 = 53,728,531.80 : x
  2. Step 2: Convert to fraction form
    76,403,347.80/114,353,079.30 = 53,728,531.80/x
  3. Step 3: Cross multiply
    76,403,347.80x = 114,353,079.30 × 53,728,531.80
  4. Step 4: Simplify right side
    76,403,347.80x = 6,144,023,057,597,971
  5. Step 5: Solve for x
    x = 6,144,023,057,597,971/76,403,347.80
  6. Step 6: Final answer
    x = 80,415,626.21

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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.