Home / 76,365,519.32-105,387,886.74-45,004,891.64

Finding the Fourth Proportional to 76,365,519.32, 105,387,886.74 and 45,004,891.64

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Solution

The fourth proportional to 76,365,519.32, 105,387,886.74 and 45,004,891.64 is: 62,108,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,365,519.32 : 105,387,886.74 = 45,004,891.64 : x
  2. Step 2: Convert to fraction form
    76,365,519.32/105,387,886.74 = 45,004,891.64/x
  3. Step 3: Cross multiply
    76,365,519.32x = 105,387,886.74 × 45,004,891.64
  4. Step 4: Simplify right side
    76,365,519.32x = 4,742,970,422,902,293
  5. Step 5: Solve for x
    x = 4,742,970,422,902,293/76,365,519.32
  6. Step 6: Final answer
    x = 62,108,795.50

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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.