Home / 78,604,150.16-108,472,291.80-43,796,096.84

Finding the Fourth Proportional to 78,604,150.16, 108,472,291.80 and 43,796,096.84

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Solution

The fourth proportional to 78,604,150.16, 108,472,291.80 and 43,796,096.84 is: 60,437,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,604,150.16 : 108,472,291.80 = 43,796,096.84 : x
  2. Step 2: Convert to fraction form
    78,604,150.16/108,472,291.80 = 43,796,096.84/x
  3. Step 3: Cross multiply
    78,604,150.16x = 108,472,291.80 × 43,796,096.84
  4. Step 4: Simplify right side
    78,604,150.16x = 4,750,662,995,587,176
  5. Step 5: Solve for x
    x = 4,750,662,995,587,176/78,604,150.16
  6. Step 6: Final answer
    x = 60,437,813.86

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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.