Home / 539,016,758.72-808,525,215.84-130,072,910.84

Finding the Fourth Proportional to 539,016,758.72, 808,525,215.84 and 130,072,910.84

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Solution

The fourth proportional to 539,016,758.72, 808,525,215.84 and 130,072,910.84 is: 195,109,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016,758.72 : 808,525,215.84 = 130,072,910.84 : x
  2. Step 2: Convert to fraction form
    539,016,758.72/808,525,215.84 = 130,072,910.84/x
  3. Step 3: Cross multiply
    539,016,758.72x = 808,525,215.84 × 130,072,910.84
  4. Step 4: Simplify right side
    539,016,758.72x = 105,167,228,311,848,080
  5. Step 5: Solve for x
    x = 105,167,228,311,848,080/539,016,758.72
  6. Step 6: Final answer
    x = 195,109,385.02

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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.