Home / 49,781,903.20-74,584,381.20-42,704,015.20

Finding the Fourth Proportional to 49,781,903.20, 74,584,381.20 and 42,704,015.20

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Solution

The fourth proportional to 49,781,903.20, 74,584,381.20 and 42,704,015.20 is: 63,980,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,781,903.20 : 74,584,381.20 = 42,704,015.20 : x
  2. Step 2: Convert to fraction form
    49,781,903.20/74,584,381.20 = 42,704,015.20/x
  3. Step 3: Cross multiply
    49,781,903.20x = 74,584,381.20 × 42,704,015.20
  4. Step 4: Simplify right side
    49,781,903.20x = 3,185,052,548,447,394.50
  5. Step 5: Solve for x
    x = 3,185,052,548,447,394.50/49,781,903.20
  6. Step 6: Final answer
    x = 63,980,128.19

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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.