Home / 76,121,920.66-105,048,353.73-41,314,612.18

Finding the Fourth Proportional to 76,121,920.66, 105,048,353.73 and 41,314,612.18

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Solution

The fourth proportional to 76,121,920.66, 105,048,353.73 and 41,314,612.18 is: 57,014,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,920.66 : 105,048,353.73 = 41,314,612.18 : x
  2. Step 2: Convert to fraction form
    76,121,920.66/105,048,353.73 = 41,314,612.18/x
  3. Step 3: Cross multiply
    76,121,920.66x = 105,048,353.73 × 41,314,612.18
  4. Step 4: Simplify right side
    76,121,920.66x = 4,340,031,994,502,406.50
  5. Step 5: Solve for x
    x = 4,340,031,994,502,406.50/76,121,920.66
  6. Step 6: Final answer
    x = 57,014,220.83

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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.