Home / 231,696,609.60-347,544,914.40-122,479,579.20

Finding the Fourth Proportional to 231,696,609.60, 347,544,914.40 and 122,479,579.20

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Solution

The fourth proportional to 231,696,609.60, 347,544,914.40 and 122,479,579.20 is: 183,719,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,696,609.60 : 347,544,914.40 = 122,479,579.20 : x
  2. Step 2: Convert to fraction form
    231,696,609.60/347,544,914.40 = 122,479,579.20/x
  3. Step 3: Cross multiply
    231,696,609.60x = 347,544,914.40 × 122,479,579.20
  4. Step 4: Simplify right side
    231,696,609.60x = 42,567,154,868,812,016
  5. Step 5: Solve for x
    x = 42,567,154,868,812,016/231,696,609.60
  6. Step 6: Final answer
    x = 183,719,368.80

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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.