Home / 42,060,216.60-63,090,324.90-19,385,400.60

Finding the Fourth Proportional to 42,060,216.60, 63,090,324.90 and 19,385,400.60

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Solution

The fourth proportional to 42,060,216.60, 63,090,324.90 and 19,385,400.60 is: 29,078,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,060,216.60 : 63,090,324.90 = 19,385,400.60 : x
  2. Step 2: Convert to fraction form
    42,060,216.60/63,090,324.90 = 19,385,400.60/x
  3. Step 3: Cross multiply
    42,060,216.60x = 63,090,324.90 × 19,385,400.60
  4. Step 4: Simplify right side
    42,060,216.60x = 1,223,031,222,170,655
  5. Step 5: Solve for x
    x = 1,223,031,222,170,655/42,060,216.60
  6. Step 6: Final answer
    x = 29,078,100.90

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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.