Home / 55,652,539.20-83,478,808.80-38,646,427.20

Finding the Fourth Proportional to 55,652,539.20, 83,478,808.80 and 38,646,427.20

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Solution

The fourth proportional to 55,652,539.20, 83,478,808.80 and 38,646,427.20 is: 57,969,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652,539.20 : 83,478,808.80 = 38,646,427.20 : x
  2. Step 2: Convert to fraction form
    55,652,539.20/83,478,808.80 = 38,646,427.20/x
  3. Step 3: Cross multiply
    55,652,539.20x = 83,478,808.80 × 38,646,427.20
  4. Step 4: Simplify right side
    55,652,539.20x = 3,226,157,707,031,919.50
  5. Step 5: Solve for x
    x = 3,226,157,707,031,919.50/55,652,539.20
  6. Step 6: Final answer
    x = 57,969,640.80

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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.