Home / 185,424,659.60-278,136,989.40-49,131,078.80

Finding the Fourth Proportional to 185,424,659.60, 278,136,989.40 and 49,131,078.80

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Solution

The fourth proportional to 185,424,659.60, 278,136,989.40 and 49,131,078.80 is: 73,696,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,424,659.60 : 278,136,989.40 = 49,131,078.80 : x
  2. Step 2: Convert to fraction form
    185,424,659.60/278,136,989.40 = 49,131,078.80/x
  3. Step 3: Cross multiply
    185,424,659.60x = 278,136,989.40 × 49,131,078.80
  4. Step 4: Simplify right side
    185,424,659.60x = 13,665,170,343,406,162
  5. Step 5: Solve for x
    x = 13,665,170,343,406,162/185,424,659.60
  6. Step 6: Final answer
    x = 73,696,618.20

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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.