Home / 76,656,979.55-114,855,551.79-46,301,069.63

Finding the Fourth Proportional to 76,656,979.55, 114,855,551.79 and 46,301,069.63

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Solution

The fourth proportional to 76,656,979.55, 114,855,551.79 and 46,301,069.63 is: 69,373,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,656,979.55 : 114,855,551.79 = 46,301,069.63 : x
  2. Step 2: Convert to fraction form
    76,656,979.55/114,855,551.79 = 46,301,069.63/x
  3. Step 3: Cross multiply
    76,656,979.55x = 114,855,551.79 × 46,301,069.63
  4. Step 4: Simplify right side
    76,656,979.55x = 5,317,934,900,246,584
  5. Step 5: Solve for x
    x = 5,317,934,900,246,584/76,656,979.55
  6. Step 6: Final answer
    x = 69,373,133.82

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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.