Home / 120,004,688.14-165,606,475.12-65,000,544.64

Finding the Fourth Proportional to 120,004,688.14, 165,606,475.12 and 65,000,544.64

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Solution

The fourth proportional to 120,004,688.14, 165,606,475.12 and 65,000,544.64 is: 89,700,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,004,688.14 : 165,606,475.12 = 65,000,544.64 : x
  2. Step 2: Convert to fraction form
    120,004,688.14/165,606,475.12 = 65,000,544.64/x
  3. Step 3: Cross multiply
    120,004,688.14x = 165,606,475.12 × 65,000,544.64
  4. Step 4: Simplify right side
    120,004,688.14x = 10,764,511,078,710,610
  5. Step 5: Solve for x
    x = 10,764,511,078,710,610/120,004,688.14
  6. Step 6: Final answer
    x = 89,700,754.58

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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.