Home / 116,489,243.20-174,733,864.80-71,139,611.20

Finding the Fourth Proportional to 116,489,243.20, 174,733,864.80 and 71,139,611.20

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Solution

The fourth proportional to 116,489,243.20, 174,733,864.80 and 71,139,611.20 is: 106,709,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,489,243.20 : 174,733,864.80 = 71,139,611.20 : x
  2. Step 2: Convert to fraction form
    116,489,243.20/174,733,864.80 = 71,139,611.20/x
  3. Step 3: Cross multiply
    116,489,243.20x = 174,733,864.80 × 71,139,611.20
  4. Step 4: Simplify right side
    116,489,243.20x = 12,430,499,205,345,368
  5. Step 5: Solve for x
    x = 12,430,499,205,345,368/116,489,243.20
  6. Step 6: Final answer
    x = 106,709,416.80

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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.