Home / 131,578,890.83-181,571,675.68-72,028,666.88

Finding the Fourth Proportional to 131,578,890.83, 181,571,675.68 and 72,028,666.88

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Solution

The fourth proportional to 131,578,890.83, 181,571,675.68 and 72,028,666.88 is: 99,395,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,578,890.83 : 181,571,675.68 = 72,028,666.88 : x
  2. Step 2: Convert to fraction form
    131,578,890.83/181,571,675.68 = 72,028,666.88/x
  3. Step 3: Cross multiply
    131,578,890.83x = 181,571,675.68 × 72,028,666.88
  4. Step 4: Simplify right side
    131,578,890.83x = 13,078,365,741,800,126
  5. Step 5: Solve for x
    x = 13,078,365,741,800,126/131,578,890.83
  6. Step 6: Final answer
    x = 99,395,622.35

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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.