Home / 141,963,617.80-212,945,426.70-55,704,838.60

Finding the Fourth Proportional to 141,963,617.80, 212,945,426.70 and 55,704,838.60

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Solution

The fourth proportional to 141,963,617.80, 212,945,426.70 and 55,704,838.60 is: 83,557,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,963,617.80 : 212,945,426.70 = 55,704,838.60 : x
  2. Step 2: Convert to fraction form
    141,963,617.80/212,945,426.70 = 55,704,838.60/x
  3. Step 3: Cross multiply
    141,963,617.80x = 212,945,426.70 × 55,704,838.60
  4. Step 4: Simplify right side
    141,963,617.80x = 11,862,090,624,931,630
  5. Step 5: Solve for x
    x = 11,862,090,624,931,630/141,963,617.80
  6. Step 6: Final answer
    x = 83,557,257.90

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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.