Home / 89,063,940.80-133,595,911.20-53,232,132.80

Finding the Fourth Proportional to 89,063,940.80, 133,595,911.20 and 53,232,132.80

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Solution

The fourth proportional to 89,063,940.80, 133,595,911.20 and 53,232,132.80 is: 79,848,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,063,940.80 : 133,595,911.20 = 53,232,132.80 : x
  2. Step 2: Convert to fraction form
    89,063,940.80/133,595,911.20 = 53,232,132.80/x
  3. Step 3: Cross multiply
    89,063,940.80x = 133,595,911.20 × 53,232,132.80
  4. Step 4: Simplify right side
    89,063,940.80x = 7,111,595,286,535,407
  5. Step 5: Solve for x
    x = 7,111,595,286,535,407/89,063,940.80
  6. Step 6: Final answer
    x = 79,848,199.20

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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.