Home / 123,597,549.57-186,136,202.63-112,565,145.80

Finding the Fourth Proportional to 123,597,549.57, 186,136,202.63 and 112,565,145.80

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Solution

The fourth proportional to 123,597,549.57, 186,136,202.63 and 112,565,145.80 is: 169,521,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,597,549.57 : 186,136,202.63 = 112,565,145.80 : x
  2. Step 2: Convert to fraction form
    123,597,549.57/186,136,202.63 = 112,565,145.80/x
  3. Step 3: Cross multiply
    123,597,549.57x = 186,136,202.63 × 112,565,145.80
  4. Step 4: Simplify right side
    123,597,549.57x = 20,952,448,786,773,612
  5. Step 5: Solve for x
    x = 20,952,448,786,773,612/123,597,549.57
  6. Step 6: Final answer
    x = 169,521,554.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.