Home / 95,005,136.40-142,395,730.20-71,042,614.80

Finding the Fourth Proportional to 95,005,136.40, 142,395,730.20 and 71,042,614.80

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Solution

The fourth proportional to 95,005,136.40, 142,395,730.20 and 71,042,614.80 is: 106,480,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,005,136.40 : 142,395,730.20 = 71,042,614.80 : x
  2. Step 2: Convert to fraction form
    95,005,136.40/142,395,730.20 = 71,042,614.80/x
  3. Step 3: Cross multiply
    95,005,136.40x = 142,395,730.20 × 71,042,614.80
  4. Step 4: Simplify right side
    95,005,136.40x = 10,116,165,009,763,326
  5. Step 5: Solve for x
    x = 10,116,165,009,763,326/95,005,136.40
  6. Step 6: Final answer
    x = 106,480,190.37

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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.