Home / 213,624,021.60-320,436,032.40-60,268,082.40

Finding the Fourth Proportional to 213,624,021.60, 320,436,032.40 and 60,268,082.40

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Solution

The fourth proportional to 213,624,021.60, 320,436,032.40 and 60,268,082.40 is: 90,402,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,624,021.60 : 320,436,032.40 = 60,268,082.40 : x
  2. Step 2: Convert to fraction form
    213,624,021.60/320,436,032.40 = 60,268,082.40/x
  3. Step 3: Cross multiply
    213,624,021.60x = 320,436,032.40 × 60,268,082.40
  4. Step 4: Simplify right side
    213,624,021.60x = 19,312,065,204,612,268
  5. Step 5: Solve for x
    x = 19,312,065,204,612,268/213,624,021.60
  6. Step 6: Final answer
    x = 90,402,123.60

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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.