Home / 159,014,130.82-238,526,510.65-43,989,040.78

Finding the Fourth Proportional to 159,014,130.82, 238,526,510.65 and 43,989,040.78

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Solution

The fourth proportional to 159,014,130.82, 238,526,510.65 and 43,989,040.78 is: 65,985,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,014,130.82 : 238,526,510.65 = 43,989,040.78 : x
  2. Step 2: Convert to fraction form
    159,014,130.82/238,526,510.65 = 43,989,040.78/x
  3. Step 3: Cross multiply
    159,014,130.82x = 238,526,510.65 × 43,989,040.78
  4. Step 4: Simplify right side
    159,014,130.82x = 10,492,552,404,093,954
  5. Step 5: Solve for x
    x = 10,492,552,404,093,954/159,014,130.82
  6. Step 6: Final answer
    x = 65,985,031.33

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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.