Home / 51,851,878.70-77,728,051.65-40,330,957.10

Finding the Fourth Proportional to 51,851,878.70, 77,728,051.65 and 40,330,957.10

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Solution

The fourth proportional to 51,851,878.70, 77,728,051.65 and 40,330,957.10 is: 60,457,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851,878.70 : 77,728,051.65 = 40,330,957.10 : x
  2. Step 2: Convert to fraction form
    51,851,878.70/77,728,051.65 = 40,330,957.10/x
  3. Step 3: Cross multiply
    51,851,878.70x = 77,728,051.65 × 40,330,957.10
  4. Step 4: Simplify right side
    51,851,878.70x = 3,134,846,716,562,734.50
  5. Step 5: Solve for x
    x = 3,134,846,716,562,734.50/51,851,878.70
  6. Step 6: Final answer
    x = 60,457,726.80

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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.