Home / 209,664,005.60-314,496,008.40-133,325,458.40

Finding the Fourth Proportional to 209,664,005.60, 314,496,008.40 and 133,325,458.40

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Solution

The fourth proportional to 209,664,005.60, 314,496,008.40 and 133,325,458.40 is: 199,988,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,664,005.60 : 314,496,008.40 = 133,325,458.40 : x
  2. Step 2: Convert to fraction form
    209,664,005.60/314,496,008.40 = 133,325,458.40/x
  3. Step 3: Cross multiply
    209,664,005.60x = 314,496,008.40 × 133,325,458.40
  4. Step 4: Simplify right side
    209,664,005.60x = 41,930,324,484,900,248
  5. Step 5: Solve for x
    x = 41,930,324,484,900,248/209,664,005.60
  6. Step 6: Final answer
    x = 199,988,187.60

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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.