Home / 131,104,133.85-180,923,722.43-72,366,810.05

Finding the Fourth Proportional to 131,104,133.85, 180,923,722.43 and 72,366,810.05

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Solution

The fourth proportional to 131,104,133.85, 180,923,722.43 and 72,366,810.05 is: 99,866,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,104,133.85 : 180,923,722.43 = 72,366,810.05 : x
  2. Step 2: Convert to fraction form
    131,104,133.85/180,923,722.43 = 72,366,810.05/x
  3. Step 3: Cross multiply
    131,104,133.85x = 180,923,722.43 × 72,366,810.05
  4. Step 4: Simplify right side
    131,104,133.85x = 13,092,872,654,721,210
  5. Step 5: Solve for x
    x = 13,092,872,654,721,210/131,104,133.85
  6. Step 6: Final answer
    x = 99,866,207.65

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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.