Home / 72,738,094.05-109,107,141.08-64,846,195.20

Finding the Fourth Proportional to 72,738,094.05, 109,107,141.08 and 64,846,195.20

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Solution

The fourth proportional to 72,738,094.05, 109,107,141.08 and 64,846,195.20 is: 97,269,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,738,094.05 : 109,107,141.08 = 64,846,195.20 : x
  2. Step 2: Convert to fraction form
    72,738,094.05/109,107,141.08 = 64,846,195.20/x
  3. Step 3: Cross multiply
    72,738,094.05x = 109,107,141.08 × 64,846,195.20
  4. Step 4: Simplify right side
    72,738,094.05x = 7,075,182,967,863,388
  5. Step 5: Solve for x
    x = 7,075,182,967,863,388/72,738,094.05
  6. Step 6: Final answer
    x = 97,269,292.80

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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.