Home / 131,104,134.32-180,923,723.08-72,366,810.52

Finding the Fourth Proportional to 131,104,134.32, 180,923,723.08 and 72,366,810.52

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Solution

The fourth proportional to 131,104,134.32, 180,923,723.08 and 72,366,810.52 is: 99,866,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,104,134.32 : 180,923,723.08 = 72,366,810.52 : x
  2. Step 2: Convert to fraction form
    131,104,134.32/180,923,723.08 = 72,366,810.52/x
  3. Step 3: Cross multiply
    131,104,134.32x = 180,923,723.08 × 72,366,810.52
  4. Step 4: Simplify right side
    131,104,134.32x = 13,092,872,786,918,252
  5. Step 5: Solve for x
    x = 13,092,872,786,918,252/131,104,134.32
  6. Step 6: Final answer
    x = 99,866,208.30

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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.