Home / 56,938,564.46-85,390,184.80-20,542,223.20

Finding the Fourth Proportional to 56,938,564.46, 85,390,184.80 and 20,542,223.20

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Solution

The fourth proportional to 56,938,564.46, 85,390,184.80 and 20,542,223.20 is: 30,806,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,564.46 : 85,390,184.80 = 20,542,223.20 : x
  2. Step 2: Convert to fraction form
    56,938,564.46/85,390,184.80 = 20,542,223.20/x
  3. Step 3: Cross multiply
    56,938,564.46x = 85,390,184.80 × 20,542,223.20
  4. Step 4: Simplify right side
    56,938,564.46x = 1,754,104,235,250,847.25
  5. Step 5: Solve for x
    x = 1,754,104,235,250,847.25/56,938,564.46
  6. Step 6: Final answer
    x = 30,806,962.77

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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.