Home / 89,340,556.30-133,599,423.50-84,982,075.80

Finding the Fourth Proportional to 89,340,556.30, 133,599,423.50 and 84,982,075.80

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Solution

The fourth proportional to 89,340,556.30, 133,599,423.50 and 84,982,075.80 is: 127,081,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,340,556.30 : 133,599,423.50 = 84,982,075.80 : x
  2. Step 2: Convert to fraction form
    89,340,556.30/133,599,423.50 = 84,982,075.80/x
  3. Step 3: Cross multiply
    89,340,556.30x = 133,599,423.50 × 84,982,075.80
  4. Step 4: Simplify right side
    89,340,556.30x = 11,353,556,334,106,076
  5. Step 5: Solve for x
    x = 11,353,556,334,106,076/89,340,556.30
  6. Step 6: Final answer
    x = 127,081,773.44

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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.