Home / 140,082,140.44-193,311,335.88-77,360,892.32

Finding the Fourth Proportional to 140,082,140.44, 193,311,335.88 and 77,360,892.32

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Solution

The fourth proportional to 140,082,140.44, 193,311,335.88 and 77,360,892.32 is: 106,756,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,082,140.44 : 193,311,335.88 = 77,360,892.32 : x
  2. Step 2: Convert to fraction form
    140,082,140.44/193,311,335.88 = 77,360,892.32/x
  3. Step 3: Cross multiply
    140,082,140.44x = 193,311,335.88 × 77,360,892.32
  4. Step 4: Simplify right side
    140,082,140.44x = 14,954,737,439,248,030
  5. Step 5: Solve for x
    x = 14,954,737,439,248,030/140,082,140.44
  6. Step 6: Final answer
    x = 106,756,916.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.