Home / 103,520,193.20-155,148,413.70-55,021,281.20

Finding the Fourth Proportional to 103,520,193.20, 155,148,413.70 and 55,021,281.20

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Solution

The fourth proportional to 103,520,193.20, 155,148,413.70 and 55,021,281.20 is: 82,461,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520,193.20 : 155,148,413.70 = 55,021,281.20 : x
  2. Step 2: Convert to fraction form
    103,520,193.20/155,148,413.70 = 55,021,281.20/x
  3. Step 3: Cross multiply
    103,520,193.20x = 155,148,413.70 × 55,021,281.20
  4. Step 4: Simplify right side
    103,520,193.20x = 8,536,464,497,921,632
  5. Step 5: Solve for x
    x = 8,536,464,497,921,632/103,520,193.20
  6. Step 6: Final answer
    x = 82,461,829.27

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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.