Home / 117,005,988.30-175,508,982.45-82,993,764.30

Finding the Fourth Proportional to 117,005,988.30, 175,508,982.45 and 82,993,764.30

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Solution

The fourth proportional to 117,005,988.30, 175,508,982.45 and 82,993,764.30 is: 124,490,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005,988.30 : 175,508,982.45 = 82,993,764.30 : x
  2. Step 2: Convert to fraction form
    117,005,988.30/175,508,982.45 = 82,993,764.30/x
  3. Step 3: Cross multiply
    117,005,988.30x = 175,508,982.45 × 82,993,764.30
  4. Step 4: Simplify right side
    117,005,988.30x = 14,566,151,121,988,136
  5. Step 5: Solve for x
    x = 14,566,151,121,988,136/117,005,988.30
  6. Step 6: Final answer
    x = 124,490,646.45

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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.