Home / 77,530,219.58-106,992,420.56-42,724,155.62

Finding the Fourth Proportional to 77,530,219.58, 106,992,420.56 and 42,724,155.62

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Solution

The fourth proportional to 77,530,219.58, 106,992,420.56 and 42,724,155.62 is: 58,959,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,219.58 : 106,992,420.56 = 42,724,155.62 : x
  2. Step 2: Convert to fraction form
    77,530,219.58/106,992,420.56 = 42,724,155.62/x
  3. Step 3: Cross multiply
    77,530,219.58x = 106,992,420.56 × 42,724,155.62
  4. Step 4: Simplify right side
    77,530,219.58x = 4,571,160,825,417,345
  5. Step 5: Solve for x
    x = 4,571,160,825,417,345/77,530,219.58
  6. Step 6: Final answer
    x = 58,959,730.16

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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.