Home / 51,124,999.40-76,687,499.10-39,703,610.60

Finding the Fourth Proportional to 51,124,999.40, 76,687,499.10 and 39,703,610.60

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Solution

The fourth proportional to 51,124,999.40, 76,687,499.10 and 39,703,610.60 is: 59,555,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,124,999.40 : 76,687,499.10 = 39,703,610.60 : x
  2. Step 2: Convert to fraction form
    51,124,999.40/76,687,499.10 = 39,703,610.60/x
  3. Step 3: Cross multiply
    51,124,999.40x = 76,687,499.10 × 39,703,610.60
  4. Step 4: Simplify right side
    51,124,999.40x = 3,044,770,602,154,250.50
  5. Step 5: Solve for x
    x = 3,044,770,602,154,250.50/51,124,999.40
  6. Step 6: Final answer
    x = 59,555,415.90

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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.