Home / 161,657,110.80-242,485,666.20-142,525,234.80

Finding the Fourth Proportional to 161,657,110.80, 242,485,666.20 and 142,525,234.80

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Solution

The fourth proportional to 161,657,110.80, 242,485,666.20 and 142,525,234.80 is: 213,787,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,657,110.80 : 242,485,666.20 = 142,525,234.80 : x
  2. Step 2: Convert to fraction form
    161,657,110.80/242,485,666.20 = 142,525,234.80/x
  3. Step 3: Cross multiply
    161,657,110.80x = 242,485,666.20 × 142,525,234.80
  4. Step 4: Simplify right side
    161,657,110.80x = 34,560,326,510,789,424
  5. Step 5: Solve for x
    x = 34,560,326,510,789,424/161,657,110.80
  6. Step 6: Final answer
    x = 213,787,852.20

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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.