Home / 110,668,704.30-166,003,056.45-77,666,218.20

Finding the Fourth Proportional to 110,668,704.30, 166,003,056.45 and 77,666,218.20

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Solution

The fourth proportional to 110,668,704.30, 166,003,056.45 and 77,666,218.20 is: 116,499,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,704.30 : 166,003,056.45 = 77,666,218.20 : x
  2. Step 2: Convert to fraction form
    110,668,704.30/166,003,056.45 = 77,666,218.20/x
  3. Step 3: Cross multiply
    110,668,704.30x = 166,003,056.45 × 77,666,218.20
  4. Step 4: Simplify right side
    110,668,704.30x = 12,892,829,604,112,616
  5. Step 5: Solve for x
    x = 12,892,829,604,112,616/110,668,704.30
  6. Step 6: Final answer
    x = 116,499,327.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.