Home / 130,039,192.96-179,480,156.83-77,145,260.09

Finding the Fourth Proportional to 130,039,192.96, 179,480,156.83 and 77,145,260.09

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Solution

The fourth proportional to 130,039,192.96, 179,480,156.83 and 77,145,260.09 is: 106,475,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,039,192.96 : 179,480,156.83 = 77,145,260.09 : x
  2. Step 2: Convert to fraction form
    130,039,192.96/179,480,156.83 = 77,145,260.09/x
  3. Step 3: Cross multiply
    130,039,192.96x = 179,480,156.83 × 77,145,260.09
  4. Step 4: Simplify right side
    130,039,192.96x = 13,846,043,378,554,074
  5. Step 5: Solve for x
    x = 13,846,043,378,554,074/130,039,192.96
  6. Step 6: Final answer
    x = 106,475,925.17

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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.