Home / 291,269,957.40-436,904,936.10-75,859,205.40

Finding the Fourth Proportional to 291,269,957.40, 436,904,936.10 and 75,859,205.40

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Solution

The fourth proportional to 291,269,957.40, 436,904,936.10 and 75,859,205.40 is: 113,788,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,269,957.40 : 436,904,936.10 = 75,859,205.40 : x
  2. Step 2: Convert to fraction form
    291,269,957.40/436,904,936.10 = 75,859,205.40/x
  3. Step 3: Cross multiply
    291,269,957.40x = 436,904,936.10 × 75,859,205.40
  4. Step 4: Simplify right side
    291,269,957.40x = 33,143,261,287,883,780
  5. Step 5: Solve for x
    x = 33,143,261,287,883,780/291,269,957.40
  6. Step 6: Final answer
    x = 113,788,808.10

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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.