Home / 31,353,696,028.60-47,030,544,042.90-13,939,437,340.60

Finding the Fourth Proportional to 31,353,696,028.60, 47,030,544,042.90 and 13,939,437,340.60

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Solution

The fourth proportional to 31,353,696,028.60, 47,030,544,042.90 and 13,939,437,340.60 is: 20,909,156,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,696,028.60 : 47,030,544,042.90 = 13,939,437,340.60 : x
  2. Step 2: Convert to fraction form
    31,353,696,028.60/47,030,544,042.90 = 13,939,437,340.60/x
  3. Step 3: Cross multiply
    31,353,696,028.60x = 47,030,544,042.90 × 13,939,437,340.60
  4. Step 4: Simplify right side
    31,353,696,028.60x = 655,579,321,780,333,182,976
  5. Step 5: Solve for x
    x = 655,579,321,780,333,182,976/31,353,696,028.60
  6. Step 6: Final answer
    x = 20,909,156,010.90

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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.