Home / 56,938,649.14-85,390,309.60-20,542,308.10

Finding the Fourth Proportional to 56,938,649.14, 85,390,309.60 and 20,542,308.10

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Solution

The fourth proportional to 56,938,649.14, 85,390,309.60 and 20,542,308.10 is: 30,807,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,649.14 : 85,390,309.60 = 20,542,308.10 : x
  2. Step 2: Convert to fraction form
    56,938,649.14/85,390,309.60 = 20,542,308.10/x
  3. Step 3: Cross multiply
    56,938,649.14x = 85,390,309.60 × 20,542,308.10
  4. Step 4: Simplify right side
    56,938,649.14x = 1,754,114,048,557,587.75
  5. Step 5: Solve for x
    x = 1,754,114,048,557,587.75/56,938,649.14
  6. Step 6: Final answer
    x = 30,807,089.30

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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.