Home / 135,158,670.55-186,522,900.10-76,420,074.53

Finding the Fourth Proportional to 135,158,670.55, 186,522,900.10 and 76,420,074.53

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Solution

The fourth proportional to 135,158,670.55, 186,522,900.10 and 76,420,074.53 is: 105,461,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,158,670.55 : 186,522,900.10 = 76,420,074.53 : x
  2. Step 2: Convert to fraction form
    135,158,670.55/186,522,900.10 = 76,420,074.53/x
  3. Step 3: Cross multiply
    135,158,670.55x = 186,522,900.10 × 76,420,074.53
  4. Step 4: Simplify right side
    135,158,670.55x = 14,254,093,926,811,644
  5. Step 5: Solve for x
    x = 14,254,093,926,811,644/135,158,670.55
  6. Step 6: Final answer
    x = 105,461,927.59

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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.