Home / 75,130,487.46-103,656,539.70-42,086,273.40

Finding the Fourth Proportional to 75,130,487.46, 103,656,539.70 and 42,086,273.40

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Solution

The fourth proportional to 75,130,487.46, 103,656,539.70 and 42,086,273.40 is: 58,065,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,130,487.46 : 103,656,539.70 = 42,086,273.40 : x
  2. Step 2: Convert to fraction form
    75,130,487.46/103,656,539.70 = 42,086,273.40/x
  3. Step 3: Cross multiply
    75,130,487.46x = 103,656,539.70 × 42,086,273.40
  4. Step 4: Simplify right side
    75,130,487.46x = 4,362,517,469,512,154
  5. Step 5: Solve for x
    x = 4,362,517,469,512,154/75,130,487.46
  6. Step 6: Final answer
    x = 58,065,874.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.