Home / 42,128,889.30-63,193,333.95-34,476,138.90

Finding the Fourth Proportional to 42,128,889.30, 63,193,333.95 and 34,476,138.90

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Solution

The fourth proportional to 42,128,889.30, 63,193,333.95 and 34,476,138.90 is: 51,714,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128,889.30 : 63,193,333.95 = 34,476,138.90 : x
  2. Step 2: Convert to fraction form
    42,128,889.30/63,193,333.95 = 34,476,138.90/x
  3. Step 3: Cross multiply
    42,128,889.30x = 63,193,333.95 × 34,476,138.90
  4. Step 4: Simplify right side
    42,128,889.30x = 2,178,662,158,814,285.75
  5. Step 5: Solve for x
    x = 2,178,662,158,814,285.75/42,128,889.30
  6. Step 6: Final answer
    x = 51,714,208.35

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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.