Home / 76,121,417.40-105,047,657.91-41,314,108.34

Finding the Fourth Proportional to 76,121,417.40, 105,047,657.91 and 41,314,108.34

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Solution

The fourth proportional to 76,121,417.40, 105,047,657.91 and 41,314,108.34 is: 57,013,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,417.40 : 105,047,657.91 = 41,314,108.34 : x
  2. Step 2: Convert to fraction form
    76,121,417.40/105,047,657.91 = 41,314,108.34/x
  3. Step 3: Cross multiply
    76,121,417.40x = 105,047,657.91 × 41,314,108.34
  4. Step 4: Simplify right side
    76,121,417.40x = 4,339,950,319,231,759.50
  5. Step 5: Solve for x
    x = 4,339,950,319,231,759.50/76,121,417.40
  6. Step 6: Final answer
    x = 57,013,524.81

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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.