Home / 77,530,220.33-106,992,421.59-42,724,156.37

Finding the Fourth Proportional to 77,530,220.33, 106,992,421.59 and 42,724,156.37

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Solution

The fourth proportional to 77,530,220.33, 106,992,421.59 and 42,724,156.37 is: 58,959,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,220.33 : 106,992,421.59 = 42,724,156.37 : x
  2. Step 2: Convert to fraction form
    77,530,220.33/106,992,421.59 = 42,724,156.37/x
  3. Step 3: Cross multiply
    77,530,220.33x = 106,992,421.59 × 42,724,156.37
  4. Step 4: Simplify right side
    77,530,220.33x = 4,571,160,949,881,162
  5. Step 5: Solve for x
    x = 4,571,160,949,881,162/77,530,220.33
  6. Step 6: Final answer
    x = 58,959,731.20

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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.