Home / 84,649,236.16-116,825,078.72-47,975,870.56

Finding the Fourth Proportional to 84,649,236.16, 116,825,078.72 and 47,975,870.56

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Solution

The fourth proportional to 84,649,236.16, 116,825,078.72 and 47,975,870.56 is: 66,211,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,649,236.16 : 116,825,078.72 = 47,975,870.56 : x
  2. Step 2: Convert to fraction form
    84,649,236.16/116,825,078.72 = 47,975,870.56/x
  3. Step 3: Cross multiply
    84,649,236.16x = 116,825,078.72 × 47,975,870.56
  4. Step 4: Simplify right side
    84,649,236.16x = 5,604,784,854,832,531
  5. Step 5: Solve for x
    x = 5,604,784,854,832,531/84,649,236.16
  6. Step 6: Final answer
    x = 66,211,877.50

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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.