Home / 109,939,457.72-151,729,911.72-63,529,711.64

Finding the Fourth Proportional to 109,939,457.72, 151,729,911.72 and 63,529,711.64

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Solution

The fourth proportional to 109,939,457.72, 151,729,911.72 and 63,529,711.64 is: 87,678,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,939,457.72 : 151,729,911.72 = 63,529,711.64 : x
  2. Step 2: Convert to fraction form
    109,939,457.72/151,729,911.72 = 63,529,711.64/x
  3. Step 3: Cross multiply
    109,939,457.72x = 151,729,911.72 × 63,529,711.64
  4. Step 4: Simplify right side
    109,939,457.72x = 9,639,357,538,734,256
  5. Step 5: Solve for x
    x = 9,639,357,538,734,256/109,939,457.72
  6. Step 6: Final answer
    x = 87,678,780.11

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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.