Home / 259,038,814.05-388,515,660.23-93,007,948.68

Finding the Fourth Proportional to 259,038,814.05, 388,515,660.23 and 93,007,948.68

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Solution

The fourth proportional to 259,038,814.05, 388,515,660.23 and 93,007,948.68 is: 139,496,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,038,814.05 : 388,515,660.23 = 93,007,948.68 : x
  2. Step 2: Convert to fraction form
    259,038,814.05/388,515,660.23 = 93,007,948.68/x
  3. Step 3: Cross multiply
    259,038,814.05x = 388,515,660.23 × 93,007,948.68
  4. Step 4: Simplify right side
    259,038,814.05x = 36,135,044,588,280,680
  5. Step 5: Solve for x
    x = 36,135,044,588,280,680/259,038,814.05
  6. Step 6: Final answer
    x = 139,496,641.54

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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.