Home / 76,026,870.78-104,919,294.48-42,986,410.16

Finding the Fourth Proportional to 76,026,870.78, 104,919,294.48 and 42,986,410.16

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Solution

The fourth proportional to 76,026,870.78, 104,919,294.48 and 42,986,410.16 is: 59,322,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,026,870.78 : 104,919,294.48 = 42,986,410.16 : x
  2. Step 2: Convert to fraction form
    76,026,870.78/104,919,294.48 = 42,986,410.16/x
  3. Step 3: Cross multiply
    76,026,870.78x = 104,919,294.48 × 42,986,410.16
  4. Step 4: Simplify right side
    76,026,870.78x = 4,510,103,826,215,104
  5. Step 5: Solve for x
    x = 4,510,103,826,215,104/76,026,870.78
  6. Step 6: Final answer
    x = 59,322,497.16

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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.