Home / 103,948,573.62-155,869,089.39-45,632,383.86

Finding the Fourth Proportional to 103,948,573.62, 155,869,089.39 and 45,632,383.86

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Solution

The fourth proportional to 103,948,573.62, 155,869,089.39 and 45,632,383.86 is: 68,424,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,948,573.62 : 155,869,089.39 = 45,632,383.86 : x
  2. Step 2: Convert to fraction form
    103,948,573.62/155,869,089.39 = 45,632,383.86/x
  3. Step 3: Cross multiply
    103,948,573.62x = 155,869,089.39 × 45,632,383.86
  4. Step 4: Simplify right side
    103,948,573.62x = 7,112,678,118,953,132
  5. Step 5: Solve for x
    x = 7,112,678,118,953,132/103,948,573.62
  6. Step 6: Final answer
    x = 68,424,970.84

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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.