Home / 76,026,751.90-104,919,130.91-42,986,291.64

Finding the Fourth Proportional to 76,026,751.90, 104,919,130.91 and 42,986,291.64

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Solution

The fourth proportional to 76,026,751.90, 104,919,130.91 and 42,986,291.64 is: 59,322,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,026,751.90 : 104,919,130.91 = 42,986,291.64 : x
  2. Step 2: Convert to fraction form
    76,026,751.90/104,919,130.91 = 42,986,291.64/x
  3. Step 3: Cross multiply
    76,026,751.90x = 104,919,130.91 × 42,986,291.64
  4. Step 4: Simplify right side
    76,026,751.90x = 4,510,084,360,441,741
  5. Step 5: Solve for x
    x = 4,510,084,360,441,741/76,026,751.90
  6. Step 6: Final answer
    x = 59,322,333.88

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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.