Home / 87,186,930-120,321,696-48,555,762

Finding the Fourth Proportional to 87,186,930, 120,321,696 and 48,555,762

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Solution

The fourth proportional to 87,186,930, 120,321,696 and 48,555,762 is: 67,009,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,186,930 : 120,321,696 = 48,555,762 : x
  2. Step 2: Convert to fraction form
    87,186,930/120,321,696 = 48,555,762/x
  3. Step 3: Cross multiply
    87,186,930x = 120,321,696 × 48,555,762
  4. Step 4: Simplify right side
    87,186,930x = 5,842,311,634,412,352
  5. Step 5: Solve for x
    x = 5,842,311,634,412,352/87,186,930
  6. Step 6: Final answer
    x = 67,009,030.30

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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.