Home / 56,109,706.40-84,164,559.60-19,723,712.60

Finding the Fourth Proportional to 56,109,706.40, 84,164,559.60 and 19,723,712.60

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Solution

The fourth proportional to 56,109,706.40, 84,164,559.60 and 19,723,712.60 is: 29,585,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,109,706.40 : 84,164,559.60 = 19,723,712.60 : x
  2. Step 2: Convert to fraction form
    56,109,706.40/84,164,559.60 = 19,723,712.60/x
  3. Step 3: Cross multiply
    56,109,706.40x = 84,164,559.60 × 19,723,712.60
  4. Step 4: Simplify right side
    56,109,706.40x = 1,660,037,584,655,971
  5. Step 5: Solve for x
    x = 1,660,037,584,655,971/56,109,706.40
  6. Step 6: Final answer
    x = 29,585,568.90

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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.