Home / 76,765,671.24-105,936,369.12-41,958,341.52

Finding the Fourth Proportional to 76,765,671.24, 105,936,369.12 and 41,958,341.52

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Solution

The fourth proportional to 76,765,671.24, 105,936,369.12 and 41,958,341.52 is: 57,902,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,765,671.24 : 105,936,369.12 = 41,958,341.52 : x
  2. Step 2: Convert to fraction form
    76,765,671.24/105,936,369.12 = 41,958,341.52/x
  3. Step 3: Cross multiply
    76,765,671.24x = 105,936,369.12 × 41,958,341.52
  4. Step 4: Simplify right side
    76,765,671.24x = 4,444,914,354,925,742.50
  5. Step 5: Solve for x
    x = 4,444,914,354,925,742.50/76,765,671.24
  6. Step 6: Final answer
    x = 57,902,370.72

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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.