Home / 50,415,809.60-75,623,714.40-40,338,113.60

Finding the Fourth Proportional to 50,415,809.60, 75,623,714.40 and 40,338,113.60

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Solution

The fourth proportional to 50,415,809.60, 75,623,714.40 and 40,338,113.60 is: 60,507,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415,809.60 : 75,623,714.40 = 40,338,113.60 : x
  2. Step 2: Convert to fraction form
    50,415,809.60/75,623,714.40 = 40,338,113.60/x
  3. Step 3: Cross multiply
    50,415,809.60x = 75,623,714.40 × 40,338,113.60
  4. Step 4: Simplify right side
    50,415,809.60x = 3,050,517,982,321,156
  5. Step 5: Solve for x
    x = 3,050,517,982,321,156/50,415,809.60
  6. Step 6: Final answer
    x = 60,507,170.40

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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.