Home / 51,478,312.46-71,022,786.93-29,148,252.30

Finding the Fourth Proportional to 51,478,312.46, 71,022,786.93 and 29,148,252.30

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Solution

The fourth proportional to 51,478,312.46, 71,022,786.93 and 29,148,252.30 is: 40,214,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,478,312.46 : 71,022,786.93 = 29,148,252.30 : x
  2. Step 2: Convert to fraction form
    51,478,312.46/71,022,786.93 = 29,148,252.30/x
  3. Step 3: Cross multiply
    51,478,312.46x = 71,022,786.93 × 29,148,252.30
  4. Step 4: Simplify right side
    51,478,312.46x = 2,070,190,112,484,782.75
  5. Step 5: Solve for x
    x = 2,070,190,112,484,782.75/51,478,312.46
  6. Step 6: Final answer
    x = 40,214,801.41

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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.