Home / 49,537,311.40-74,305,967.10-42,203,425.60

Finding the Fourth Proportional to 49,537,311.40, 74,305,967.10 and 42,203,425.60

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Solution

The fourth proportional to 49,537,311.40, 74,305,967.10 and 42,203,425.60 is: 63,305,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,537,311.40 : 74,305,967.10 = 42,203,425.60 : x
  2. Step 2: Convert to fraction form
    49,537,311.40/74,305,967.10 = 42,203,425.60/x
  3. Step 3: Cross multiply
    49,537,311.40x = 74,305,967.10 × 42,203,425.60
  4. Step 4: Simplify right side
    49,537,311.40x = 3,135,966,354,140,897.50
  5. Step 5: Solve for x
    x = 3,135,966,354,140,897.50/49,537,311.40
  6. Step 6: Final answer
    x = 63,305,138.40

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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.