Home / 89,424,638.40-133,971,620.40-50,971,929.60

Finding the Fourth Proportional to 89,424,638.40, 133,971,620.40 and 50,971,929.60

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Solution

The fourth proportional to 89,424,638.40, 133,971,620.40 and 50,971,929.60 is: 76,363,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,424,638.40 : 133,971,620.40 = 50,971,929.60 : x
  2. Step 2: Convert to fraction form
    89,424,638.40/133,971,620.40 = 50,971,929.60/x
  3. Step 3: Cross multiply
    89,424,638.40x = 133,971,620.40 × 50,971,929.60
  4. Step 4: Simplify right side
    89,424,638.40x = 6,828,792,003,426,724
  5. Step 5: Solve for x
    x = 6,828,792,003,426,724/89,424,638.40
  6. Step 6: Final answer
    x = 76,363,652.41

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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.