Home / 56,869,496.03-78,479,668.14-30,763,949.51

Finding the Fourth Proportional to 56,869,496.03, 78,479,668.14 and 30,763,949.51

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Solution

The fourth proportional to 56,869,496.03, 78,479,668.14 and 30,763,949.51 is: 42,454,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,869,496.03 : 78,479,668.14 = 30,763,949.51 : x
  2. Step 2: Convert to fraction form
    56,869,496.03/78,479,668.14 = 30,763,949.51/x
  3. Step 3: Cross multiply
    56,869,496.03x = 78,479,668.14 × 30,763,949.51
  4. Step 4: Simplify right side
    56,869,496.03x = 2,414,344,548,220,516
  5. Step 5: Solve for x
    x = 2,414,344,548,220,516/56,869,496.03
  6. Step 6: Final answer
    x = 42,454,122.45

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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.