Home / 39,132,347,009.40-58,729,131,515.70-18,173,376,851.40

Finding the Fourth Proportional to 39,132,347,009.40, 58,729,131,515.70 and 18,173,376,851.40

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Solution

The fourth proportional to 39,132,347,009.40, 58,729,131,515.70 and 18,173,376,851.40 is: 27,274,281,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132,347,009.40 : 58,729,131,515.70 = 18,173,376,851.40 : x
  2. Step 2: Convert to fraction form
    39,132,347,009.40/58,729,131,515.70 = 18,173,376,851.40/x
  3. Step 3: Cross multiply
    39,132,347,009.40x = 58,729,131,515.70 × 18,173,376,851.40
  4. Step 4: Simplify right side
    39,132,347,009.40x = 1,067,306,639,190,248,652,800
  5. Step 5: Solve for x
    x = 1,067,306,639,190,248,652,800/39,132,347,009.40
  6. Step 6: Final answer
    x = 27,274,281,272.57

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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.