Home / 51,851,874.70-77,728,045.65-40,330,953.10

Finding the Fourth Proportional to 51,851,874.70, 77,728,045.65 and 40,330,953.10

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Solution

The fourth proportional to 51,851,874.70, 77,728,045.65 and 40,330,953.10 is: 60,457,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851,874.70 : 77,728,045.65 = 40,330,953.10 : x
  2. Step 2: Convert to fraction form
    51,851,874.70/77,728,045.65 = 40,330,953.10/x
  3. Step 3: Cross multiply
    51,851,874.70x = 77,728,045.65 × 40,330,953.10
  4. Step 4: Simplify right side
    51,851,874.70x = 3,134,846,163,664,809.50
  5. Step 5: Solve for x
    x = 3,134,846,163,664,809.50/51,851,874.70
  6. Step 6: Final answer
    x = 60,457,720.80

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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.