Home / 124,521,424.40-186,782,136.60-43,742,392.40

Finding the Fourth Proportional to 124,521,424.40, 186,782,136.60 and 43,742,392.40

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Solution

The fourth proportional to 124,521,424.40, 186,782,136.60 and 43,742,392.40 is: 65,613,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521,424.40 : 186,782,136.60 = 43,742,392.40 : x
  2. Step 2: Convert to fraction form
    124,521,424.40/186,782,136.60 = 43,742,392.40/x
  3. Step 3: Cross multiply
    124,521,424.40x = 186,782,136.60 × 43,742,392.40
  4. Step 4: Simplify right side
    124,521,424.40x = 8,170,297,512,467,601
  5. Step 5: Solve for x
    x = 8,170,297,512,467,601/124,521,424.40
  6. Step 6: Final answer
    x = 65,613,588.60

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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.