Home / 143,235,032.10-197,664,346.17-78,044,936.10

Finding the Fourth Proportional to 143,235,032.10, 197,664,346.17 and 78,044,936.10

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Solution

The fourth proportional to 143,235,032.10, 197,664,346.17 and 78,044,936.10 is: 107,702,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,235,032.10 : 197,664,346.17 = 78,044,936.10 : x
  2. Step 2: Convert to fraction form
    143,235,032.10/197,664,346.17 = 78,044,936.10/x
  3. Step 3: Cross multiply
    143,235,032.10x = 197,664,346.17 × 78,044,936.10
  4. Step 4: Simplify right side
    143,235,032.10x = 15,426,701,266,085,928
  5. Step 5: Solve for x
    x = 15,426,701,266,085,928/143,235,032.10
  6. Step 6: Final answer
    x = 107,702,012.84

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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.