Home / 217,168,325.40-325,752,488.10-131,004,024.60

Finding the Fourth Proportional to 217,168,325.40, 325,752,488.10 and 131,004,024.60

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Solution

The fourth proportional to 217,168,325.40, 325,752,488.10 and 131,004,024.60 is: 196,506,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,168,325.40 : 325,752,488.10 = 131,004,024.60 : x
  2. Step 2: Convert to fraction form
    217,168,325.40/325,752,488.10 = 131,004,024.60/x
  3. Step 3: Cross multiply
    217,168,325.40x = 325,752,488.10 × 131,004,024.60
  4. Step 4: Simplify right side
    217,168,325.40x = 42,674,886,964,563,608
  5. Step 5: Solve for x
    x = 42,674,886,964,563,608/217,168,325.40
  6. Step 6: Final answer
    x = 196,506,036.90

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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.