Home / 76,026,880.77-104,919,308.28-42,986,420.16

Finding the Fourth Proportional to 76,026,880.77, 104,919,308.28 and 42,986,420.16

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Solution

The fourth proportional to 76,026,880.77, 104,919,308.28 and 42,986,420.16 is: 59,322,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,026,880.77 : 104,919,308.28 = 42,986,420.16 : x
  2. Step 2: Convert to fraction form
    76,026,880.77/104,919,308.28 = 42,986,420.16/x
  3. Step 3: Cross multiply
    76,026,880.77x = 104,919,308.28 × 42,986,420.16
  4. Step 4: Simplify right side
    76,026,880.77x = 4,510,105,468,620,647
  5. Step 5: Solve for x
    x = 4,510,105,468,620,647/76,026,880.77
  6. Step 6: Final answer
    x = 59,322,510.97

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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.