Home / 257,334,002.10-385,907,561.55-140,835,457.26

Finding the Fourth Proportional to 257,334,002.10, 385,907,561.55 and 140,835,457.26

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Solution

The fourth proportional to 257,334,002.10, 385,907,561.55 and 140,835,457.26 is: 211,202,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,334,002.10 : 385,907,561.55 = 140,835,457.26 : x
  2. Step 2: Convert to fraction form
    257,334,002.10/385,907,561.55 = 140,835,457.26/x
  3. Step 3: Cross multiply
    257,334,002.10x = 385,907,561.55 × 140,835,457.26
  4. Step 4: Simplify right side
    257,334,002.10x = 54,349,467,890,985,840
  5. Step 5: Solve for x
    x = 54,349,467,890,985,840/257,334,002.10
  6. Step 6: Final answer
    x = 211,202,046.55

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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.