Home / 169,859,025.12-254,785,973.70-76,420,013.06

Finding the Fourth Proportional to 169,859,025.12, 254,785,973.70 and 76,420,013.06

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Solution

The fourth proportional to 169,859,025.12, 254,785,973.70 and 76,420,013.06 is: 114,628,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,859,025.12 : 254,785,973.70 = 76,420,013.06 : x
  2. Step 2: Convert to fraction form
    169,859,025.12/254,785,973.70 = 76,420,013.06/x
  3. Step 3: Cross multiply
    169,859,025.12x = 254,785,973.70 × 76,420,013.06
  4. Step 4: Simplify right side
    169,859,025.12x = 19,470,747,437,658,816
  5. Step 5: Solve for x
    x = 19,470,747,437,658,816/169,859,025.12
  6. Step 6: Final answer
    x = 114,628,866.05

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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.