Home / 152,380,934.38-228,576,141.90-72,505,075.06

Finding the Fourth Proportional to 152,380,934.38, 228,576,141.90 and 72,505,075.06

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Solution

The fourth proportional to 152,380,934.38, 228,576,141.90 and 72,505,075.06 is: 108,759,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,380,934.38 : 228,576,141.90 = 72,505,075.06 : x
  2. Step 2: Convert to fraction form
    152,380,934.38/228,576,141.90 = 72,505,075.06/x
  3. Step 3: Cross multiply
    152,380,934.38x = 228,576,141.90 × 72,505,075.06
  4. Step 4: Simplify right side
    152,380,934.38x = 16,572,930,325,384,712
  5. Step 5: Solve for x
    x = 16,572,930,325,384,712/152,380,934.38
  6. Step 6: Final answer
    x = 108,759,868.11

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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.