Home / 76,580,191.47-105,681,338.69-41,773,036.71

Finding the Fourth Proportional to 76,580,191.47, 105,681,338.69 and 41,773,036.71

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Solution

The fourth proportional to 76,580,191.47, 105,681,338.69 and 41,773,036.71 is: 57,647,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580,191.47 : 105,681,338.69 = 41,773,036.71 : x
  2. Step 2: Convert to fraction form
    76,580,191.47/105,681,338.69 = 41,773,036.71/x
  3. Step 3: Cross multiply
    76,580,191.47x = 105,681,338.69 × 41,773,036.71
  4. Step 4: Simplify right side
    76,580,191.47x = 4,414,630,440,235,339
  5. Step 5: Solve for x
    x = 4,414,630,440,235,339/76,580,191.47
  6. Step 6: Final answer
    x = 57,647,158.56

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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.