Home / 77,436,165.40-116,154,248.10-54,257,464.60

Finding the Fourth Proportional to 77,436,165.40, 116,154,248.10 and 54,257,464.60

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Solution

The fourth proportional to 77,436,165.40, 116,154,248.10 and 54,257,464.60 is: 81,386,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,436,165.40 : 116,154,248.10 = 54,257,464.60 : x
  2. Step 2: Convert to fraction form
    77,436,165.40/116,154,248.10 = 54,257,464.60/x
  3. Step 3: Cross multiply
    77,436,165.40x = 116,154,248.10 × 54,257,464.60
  4. Step 4: Simplify right side
    77,436,165.40x = 6,302,235,004,425,367
  5. Step 5: Solve for x
    x = 6,302,235,004,425,367/77,436,165.40
  6. Step 6: Final answer
    x = 81,386,196.90

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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.