Home / 143,737,671.60-215,606,507.40-102,923,002.80

Finding the Fourth Proportional to 143,737,671.60, 215,606,507.40 and 102,923,002.80

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Solution

The fourth proportional to 143,737,671.60, 215,606,507.40 and 102,923,002.80 is: 154,384,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,737,671.60 : 215,606,507.40 = 102,923,002.80 : x
  2. Step 2: Convert to fraction form
    143,737,671.60/215,606,507.40 = 102,923,002.80/x
  3. Step 3: Cross multiply
    143,737,671.60x = 215,606,507.40 × 102,923,002.80
  4. Step 4: Simplify right side
    143,737,671.60x = 22,190,869,164,828,420
  5. Step 5: Solve for x
    x = 22,190,869,164,828,420/143,737,671.60
  6. Step 6: Final answer
    x = 154,384,504.20

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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.