Home / 134,866,677.72-186,116,012.46-72,987,027.96

Finding the Fourth Proportional to 134,866,677.72, 186,116,012.46 and 72,987,027.96

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Solution

The fourth proportional to 134,866,677.72, 186,116,012.46 and 72,987,027.96 is: 100,722,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,866,677.72 : 186,116,012.46 = 72,987,027.96 : x
  2. Step 2: Convert to fraction form
    134,866,677.72/186,116,012.46 = 72,987,027.96/x
  3. Step 3: Cross multiply
    134,866,677.72x = 186,116,012.46 × 72,987,027.96
  4. Step 4: Simplify right side
    134,866,677.72x = 13,584,054,605,221,728
  5. Step 5: Solve for x
    x = 13,584,054,605,221,728/134,866,677.72
  6. Step 6: Final answer
    x = 100,722,097.07

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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.