Home / 71,114,848.20-106,676,937.90-19,998,534.60

Finding the Fourth Proportional to 71,114,848.20, 106,676,937.90 and 19,998,534.60

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Solution

The fourth proportional to 71,114,848.20, 106,676,937.90 and 19,998,534.60 is: 29,999,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,114,848.20 : 106,676,937.90 = 19,998,534.60 : x
  2. Step 2: Convert to fraction form
    71,114,848.20/106,676,937.90 = 19,998,534.60/x
  3. Step 3: Cross multiply
    71,114,848.20x = 106,676,937.90 × 19,998,534.60
  4. Step 4: Simplify right side
    71,114,848.20x = 2,133,382,433,615,201.50
  5. Step 5: Solve for x
    x = 2,133,382,433,615,201.50/71,114,848.20
  6. Step 6: Final answer
    x = 29,999,113.93

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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.