Home / 115,822,110.80-173,865,876.60-67,980,011.60

Finding the Fourth Proportional to 115,822,110.80, 173,865,876.60 and 67,980,011.60

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Solution

The fourth proportional to 115,822,110.80, 173,865,876.60 and 67,980,011.60 is: 102,047,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,822,110.80 : 173,865,876.60 = 67,980,011.60 : x
  2. Step 2: Convert to fraction form
    115,822,110.80/173,865,876.60 = 67,980,011.60/x
  3. Step 3: Cross multiply
    115,822,110.80x = 173,865,876.60 × 67,980,011.60
  4. Step 4: Simplify right side
    115,822,110.80x = 11,819,404,308,112,168
  5. Step 5: Solve for x
    x = 11,819,404,308,112,168/115,822,110.80
  6. Step 6: Final answer
    x = 102,047,909.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.