Home / 131,420,004.50-181,415,450.23-81,884,852.10

Finding the Fourth Proportional to 131,420,004.50, 181,415,450.23 and 81,884,852.10

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Solution

The fourth proportional to 131,420,004.50, 181,415,450.23 and 81,884,852.10 is: 113,035,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,420,004.50 : 181,415,450.23 = 81,884,852.10 : x
  2. Step 2: Convert to fraction form
    131,420,004.50/181,415,450.23 = 81,884,852.10/x
  3. Step 3: Cross multiply
    131,420,004.50x = 181,415,450.23 × 81,884,852.10
  4. Step 4: Simplify right side
    131,420,004.50x = 14,855,177,310,533,748
  5. Step 5: Solve for x
    x = 14,855,177,310,533,748/131,420,004.50
  6. Step 6: Final answer
    x = 113,035,891.05

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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.