Home / 159,124,365.72-238,686,614.88-71,583,632.20

Finding the Fourth Proportional to 159,124,365.72, 238,686,614.88 and 71,583,632.20

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Solution

The fourth proportional to 159,124,365.72, 238,686,614.88 and 71,583,632.20 is: 107,375,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,124,365.72 : 238,686,614.88 = 71,583,632.20 : x
  2. Step 2: Convert to fraction form
    159,124,365.72/238,686,614.88 = 71,583,632.20/x
  3. Step 3: Cross multiply
    159,124,365.72x = 238,686,614.88 × 71,583,632.20
  4. Step 4: Simplify right side
    159,124,365.72x = 17,086,054,850,632,968
  5. Step 5: Solve for x
    x = 17,086,054,850,632,968/159,124,365.72
  6. Step 6: Final answer
    x = 107,375,478.13

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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.