Home / 71,458,055,094.40-107,198,725,871.04-21,098,579,482.24

Finding the Fourth Proportional to 71,458,055,094.40, 107,198,725,871.04 and 21,098,579,482.24

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Solution

The fourth proportional to 71,458,055,094.40, 107,198,725,871.04 and 21,098,579,482.24 is: 31,651,306,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,458,055,094.40 : 107,198,725,871.04 = 21,098,579,482.24 : x
  2. Step 2: Convert to fraction form
    71,458,055,094.40/107,198,725,871.04 = 21,098,579,482.24/x
  3. Step 3: Cross multiply
    71,458,055,094.40x = 107,198,725,871.04 × 21,098,579,482.24
  4. Step 4: Simplify right side
    71,458,055,094.40x = 2,261,740,838,184,994,734,080
  5. Step 5: Solve for x
    x = 2,261,740,838,184,994,734,080/71,458,055,094.40
  6. Step 6: Final answer
    x = 31,651,306,982.78

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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.