Home / 72,624,008.80-108,936,013.20-55,617,896.80

Finding the Fourth Proportional to 72,624,008.80, 108,936,013.20 and 55,617,896.80

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Solution

The fourth proportional to 72,624,008.80, 108,936,013.20 and 55,617,896.80 is: 83,426,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,624,008.80 : 108,936,013.20 = 55,617,896.80 : x
  2. Step 2: Convert to fraction form
    72,624,008.80/108,936,013.20 = 55,617,896.80/x
  3. Step 3: Cross multiply
    72,624,008.80x = 108,936,013.20 × 55,617,896.80
  4. Step 4: Simplify right side
    72,624,008.80x = 6,058,791,939,961,038
  5. Step 5: Solve for x
    x = 6,058,791,939,961,038/72,624,008.80
  6. Step 6: Final answer
    x = 83,426,845.20

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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.