Home / 84,546,544.52-126,604,527.80-55,705,241.45

Finding the Fourth Proportional to 84,546,544.52, 126,604,527.80 and 55,705,241.45

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Solution

The fourth proportional to 84,546,544.52, 126,604,527.80 and 55,705,241.45 is: 83,416,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,546,544.52 : 126,604,527.80 = 55,705,241.45 : x
  2. Step 2: Convert to fraction form
    84,546,544.52/126,604,527.80 = 55,705,241.45/x
  3. Step 3: Cross multiply
    84,546,544.52x = 126,604,527.80 × 55,705,241.45
  4. Step 4: Simplify right side
    84,546,544.52x = 7,052,535,788,850,689
  5. Step 5: Solve for x
    x = 7,052,535,788,850,689/84,546,544.52
  6. Step 6: Final answer
    x = 83,416,014.57

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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.