Home / 228,679,228.90-315,576,683.76-124,257,272.54

Finding the Fourth Proportional to 228,679,228.90, 315,576,683.76 and 124,257,272.54

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Solution

The fourth proportional to 228,679,228.90, 315,576,683.76 and 124,257,272.54 is: 171,474,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,679,228.90 : 315,576,683.76 = 124,257,272.54 : x
  2. Step 2: Convert to fraction form
    228,679,228.90/315,576,683.76 = 124,257,272.54/x
  3. Step 3: Cross multiply
    228,679,228.90x = 315,576,683.76 × 124,257,272.54
  4. Step 4: Simplify right side
    228,679,228.90x = 39,212,698,002,024,656
  5. Step 5: Solve for x
    x = 39,212,698,002,024,656/228,679,228.90
  6. Step 6: Final answer
    x = 171,474,681.77

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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.