Home / 153,379,614.47-230,074,145.62-67,073,596.07

Finding the Fourth Proportional to 153,379,614.47, 230,074,145.62 and 67,073,596.07

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Solution

The fourth proportional to 153,379,614.47, 230,074,145.62 and 67,073,596.07 is: 100,612,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,379,614.47 : 230,074,145.62 = 67,073,596.07 : x
  2. Step 2: Convert to fraction form
    153,379,614.47/230,074,145.62 = 67,073,596.07/x
  3. Step 3: Cross multiply
    153,379,614.47x = 230,074,145.62 × 67,073,596.07
  4. Step 4: Simplify right side
    153,379,614.47x = 15,431,900,308,148,184
  5. Step 5: Solve for x
    x = 15,431,900,308,148,184/153,379,614.47
  6. Step 6: Final answer
    x = 100,612,459.89

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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.