Home / 140,083,578.53-210,252,878.21-74,559,726.52

Finding the Fourth Proportional to 140,083,578.53, 210,252,878.21 and 74,559,726.52

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Solution

The fourth proportional to 140,083,578.53, 210,252,878.21 and 74,559,726.52 is: 111,907,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083,578.53 : 210,252,878.21 = 74,559,726.52 : x
  2. Step 2: Convert to fraction form
    140,083,578.53/210,252,878.21 = 74,559,726.52/x
  3. Step 3: Cross multiply
    140,083,578.53x = 210,252,878.21 × 74,559,726.52
  4. Step 4: Simplify right side
    140,083,578.53x = 15,676,397,099,041,234
  5. Step 5: Solve for x
    x = 15,676,397,099,041,234/140,083,578.53
  6. Step 6: Final answer
    x = 111,907,457.42

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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.