Home / 56,634,352.80-84,984,706.80-20,736,189.60

Finding the Fourth Proportional to 56,634,352.80, 84,984,706.80 and 20,736,189.60

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Solution

The fourth proportional to 56,634,352.80, 84,984,706.80 and 20,736,189.60 is: 31,116,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634,352.80 : 84,984,706.80 = 20,736,189.60 : x
  2. Step 2: Convert to fraction form
    56,634,352.80/84,984,706.80 = 20,736,189.60/x
  3. Step 3: Cross multiply
    56,634,352.80x = 84,984,706.80 × 20,736,189.60
  4. Step 4: Simplify right side
    56,634,352.80x = 1,762,258,993,305,209.25
  5. Step 5: Solve for x
    x = 1,762,258,993,305,209.25/56,634,352.80
  6. Step 6: Final answer
    x = 31,116,432.10

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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.