Home / 114,624,006.40-171,936,009.60-78,344,300.80

Finding the Fourth Proportional to 114,624,006.40, 171,936,009.60 and 78,344,300.80

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Solution

The fourth proportional to 114,624,006.40, 171,936,009.60 and 78,344,300.80 is: 117,516,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,624,006.40 : 171,936,009.60 = 78,344,300.80 : x
  2. Step 2: Convert to fraction form
    114,624,006.40/171,936,009.60 = 78,344,300.80/x
  3. Step 3: Cross multiply
    114,624,006.40x = 171,936,009.60 × 78,344,300.80
  4. Step 4: Simplify right side
    114,624,006.40x = 13,470,206,454,454,086
  5. Step 5: Solve for x
    x = 13,470,206,454,454,086/114,624,006.40
  6. Step 6: Final answer
    x = 117,516,451.20

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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.