Home / 84,478,910-116,580,895.80-45,847,742

Finding the Fourth Proportional to 84,478,910, 116,580,895.80 and 45,847,742

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Solution

The fourth proportional to 84,478,910, 116,580,895.80 and 45,847,742 is: 63,269,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,478,910 : 116,580,895.80 = 45,847,742 : x
  2. Step 2: Convert to fraction form
    84,478,910/116,580,895.80 = 45,847,742/x
  3. Step 3: Cross multiply
    84,478,910x = 116,580,895.80 × 45,847,742
  4. Step 4: Simplify right side
    84,478,910x = 5,344,970,832,767,283
  5. Step 5: Solve for x
    x = 5,344,970,832,767,283/84,478,910
  6. Step 6: Final answer
    x = 63,269,883.96

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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.