Home / 166,103,424.40-249,155,136.60-157,789,325.20

Finding the Fourth Proportional to 166,103,424.40, 249,155,136.60 and 157,789,325.20

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Solution

The fourth proportional to 166,103,424.40, 249,155,136.60 and 157,789,325.20 is: 236,683,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,103,424.40 : 249,155,136.60 = 157,789,325.20 : x
  2. Step 2: Convert to fraction form
    166,103,424.40/249,155,136.60 = 157,789,325.20/x
  3. Step 3: Cross multiply
    166,103,424.40x = 249,155,136.60 × 157,789,325.20
  4. Step 4: Simplify right side
    166,103,424.40x = 39,314,020,874,227,816
  5. Step 5: Solve for x
    x = 39,314,020,874,227,816/166,103,424.40
  6. Step 6: Final answer
    x = 236,683,987.80

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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.