Home / 83,357,745.38-125,036,892.54-21,109,025.63

Finding the Fourth Proportional to 83,357,745.38, 125,036,892.54 and 21,109,025.63

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Solution

The fourth proportional to 83,357,745.38, 125,036,892.54 and 21,109,025.63 is: 31,663,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,357,745.38 : 125,036,892.54 = 21,109,025.63 : x
  2. Step 2: Convert to fraction form
    83,357,745.38/125,036,892.54 = 21,109,025.63/x
  3. Step 3: Cross multiply
    83,357,745.38x = 125,036,892.54 × 21,109,025.63
  4. Step 4: Simplify right side
    83,357,745.38x = 2,639,406,968,697,231.50
  5. Step 5: Solve for x
    x = 2,639,406,968,697,231.50/83,357,745.38
  6. Step 6: Final answer
    x = 31,663,607.94

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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.