Home / 130,039,191.97-179,480,155.46-77,145,259.11

Finding the Fourth Proportional to 130,039,191.97, 179,480,155.46 and 77,145,259.11

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Solution

The fourth proportional to 130,039,191.97, 179,480,155.46 and 77,145,259.11 is: 106,475,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,039,191.97 : 179,480,155.46 = 77,145,259.11 : x
  2. Step 2: Convert to fraction form
    130,039,191.97/179,480,155.46 = 77,145,259.11/x
  3. Step 3: Cross multiply
    130,039,191.97x = 179,480,155.46 × 77,145,259.11
  4. Step 4: Simplify right side
    130,039,191.97x = 13,846,043,097,657,884
  5. Step 5: Solve for x
    x = 13,846,043,097,657,884/130,039,191.97
  6. Step 6: Final answer
    x = 106,475,923.82

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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.