Home / 45,287,032.55-67,867,701.50-20,634,712.25

Finding the Fourth Proportional to 45,287,032.55, 67,867,701.50 and 20,634,712.25

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Solution

The fourth proportional to 45,287,032.55, 67,867,701.50 and 20,634,712.25 is: 30,923,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287,032.55 : 67,867,701.50 = 20,634,712.25 : x
  2. Step 2: Convert to fraction form
    45,287,032.55/67,867,701.50 = 20,634,712.25/x
  3. Step 3: Cross multiply
    45,287,032.55x = 67,867,701.50 × 20,634,712.25
  4. Step 4: Simplify right side
    45,287,032.55x = 1,400,430,491,742,649.50
  5. Step 5: Solve for x
    x = 1,400,430,491,742,649.50/45,287,032.55
  6. Step 6: Final answer
    x = 30,923,432.44

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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.