Home / 71,749,212,824.80-107,623,819,237.20-68,157,521,970.40

Finding the Fourth Proportional to 71,749,212,824.80, 107,623,819,237.20 and 68,157,521,970.40

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Solution

The fourth proportional to 71,749,212,824.80, 107,623,819,237.20 and 68,157,521,970.40 is: 102,236,282,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,749,212,824.80 : 107,623,819,237.20 = 68,157,521,970.40 : x
  2. Step 2: Convert to fraction form
    71,749,212,824.80/107,623,819,237.20 = 68,157,521,970.40/x
  3. Step 3: Cross multiply
    71,749,212,824.80x = 107,623,819,237.20 × 68,157,521,970.40
  4. Step 4: Simplify right side
    71,749,212,824.80x = 7,335,372,824,197,817,434,112
  5. Step 5: Solve for x
    x = 7,335,372,824,197,817,434,112/71,749,212,824.80
  6. Step 6: Final answer
    x = 102,236,282,955.60

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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.