Home / 145,552,078.60-218,328,117.90-133,647,800.20

Finding the Fourth Proportional to 145,552,078.60, 218,328,117.90 and 133,647,800.20

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Solution

The fourth proportional to 145,552,078.60, 218,328,117.90 and 133,647,800.20 is: 200,471,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,552,078.60 : 218,328,117.90 = 133,647,800.20 : x
  2. Step 2: Convert to fraction form
    145,552,078.60/218,328,117.90 = 133,647,800.20/x
  3. Step 3: Cross multiply
    145,552,078.60x = 218,328,117.90 × 133,647,800.20
  4. Step 4: Simplify right side
    145,552,078.60x = 29,179,072,679,141,244
  5. Step 5: Solve for x
    x = 29,179,072,679,141,244/145,552,078.60
  6. Step 6: Final answer
    x = 200,471,700.30

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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.