Home / 101,240,706.26-151,916,343.72-42,939,315.61

Finding the Fourth Proportional to 101,240,706.26, 151,916,343.72 and 42,939,315.61

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Solution

The fourth proportional to 101,240,706.26, 151,916,343.72 and 42,939,315.61 is: 64,432,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,240,706.26 : 151,916,343.72 = 42,939,315.61 : x
  2. Step 2: Convert to fraction form
    101,240,706.26/151,916,343.72 = 42,939,315.61/x
  3. Step 3: Cross multiply
    101,240,706.26x = 151,916,343.72 × 42,939,315.61
  4. Step 4: Simplify right side
    101,240,706.26x = 6,523,183,828,769,509
  5. Step 5: Solve for x
    x = 6,523,183,828,769,509/101,240,706.26
  6. Step 6: Final answer
    x = 64,432,421.20

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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.