Home / 130,211,711.37-179,610,426.23-77,250,923.66

Finding the Fourth Proportional to 130,211,711.37, 179,610,426.23 and 77,250,923.66

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Solution

The fourth proportional to 130,211,711.37, 179,610,426.23 and 77,250,923.66 is: 106,557,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,211,711.37 : 179,610,426.23 = 77,250,923.66 : x
  2. Step 2: Convert to fraction form
    130,211,711.37/179,610,426.23 = 77,250,923.66/x
  3. Step 3: Cross multiply
    130,211,711.37x = 179,610,426.23 × 77,250,923.66
  4. Step 4: Simplify right side
    130,211,711.37x = 13,875,071,325,233,790
  5. Step 5: Solve for x
    x = 13,875,071,325,233,790/130,211,711.37
  6. Step 6: Final answer
    x = 106,557,783.31

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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.