Home / 65,243,896.20-90,036,901.89-35,877,122.64

Finding the Fourth Proportional to 65,243,896.20, 90,036,901.89 and 35,877,122.64

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Solution

The fourth proportional to 65,243,896.20, 90,036,901.89 and 35,877,122.64 is: 49,510,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,243,896.20 : 90,036,901.89 = 35,877,122.64 : x
  2. Step 2: Convert to fraction form
    65,243,896.20/90,036,901.89 = 35,877,122.64/x
  3. Step 3: Cross multiply
    65,243,896.20x = 90,036,901.89 × 35,877,122.64
  4. Step 4: Simplify right side
    65,243,896.20x = 3,230,264,971,233,178
  5. Step 5: Solve for x
    x = 3,230,264,971,233,178/65,243,896.20
  6. Step 6: Final answer
    x = 49,510,608.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.