Home / 77,530,220.06-106,992,421.23-42,724,156.10

Finding the Fourth Proportional to 77,530,220.06, 106,992,421.23 and 42,724,156.10

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Solution

The fourth proportional to 77,530,220.06, 106,992,421.23 and 42,724,156.10 is: 58,959,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,220.06 : 106,992,421.23 = 42,724,156.10 : x
  2. Step 2: Convert to fraction form
    77,530,220.06/106,992,421.23 = 42,724,156.10/x
  3. Step 3: Cross multiply
    77,530,220.06x = 106,992,421.23 × 42,724,156.10
  4. Step 4: Simplify right side
    77,530,220.06x = 4,571,160,906,147,474
  5. Step 5: Solve for x
    x = 4,571,160,906,147,474/77,530,220.06
  6. Step 6: Final answer
    x = 58,959,730.83

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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.