Home / 77,320,882.28-106,699,947.90-42,511,501.64

Finding the Fourth Proportional to 77,320,882.28, 106,699,947.90 and 42,511,501.64

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Solution

The fourth proportional to 77,320,882.28, 106,699,947.90 and 42,511,501.64 is: 58,664,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,320,882.28 : 106,699,947.90 = 42,511,501.64 : x
  2. Step 2: Convert to fraction form
    77,320,882.28/106,699,947.90 = 42,511,501.64/x
  3. Step 3: Cross multiply
    77,320,882.28x = 106,699,947.90 × 42,511,501.64
  4. Step 4: Simplify right side
    77,320,882.28x = 4,535,975,010,138,765
  5. Step 5: Solve for x
    x = 4,535,975,010,138,765/77,320,882.28
  6. Step 6: Final answer
    x = 58,664,294.51

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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.