Home / 71,090,848.20-106,636,272.30-65,548,115.40

Finding the Fourth Proportional to 71,090,848.20, 106,636,272.30 and 65,548,115.40

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Solution

The fourth proportional to 71,090,848.20, 106,636,272.30 and 65,548,115.40 is: 98,322,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090,848.20 : 106,636,272.30 = 65,548,115.40 : x
  2. Step 2: Convert to fraction form
    71,090,848.20/106,636,272.30 = 65,548,115.40/x
  3. Step 3: Cross multiply
    71,090,848.20x = 106,636,272.30 × 65,548,115.40
  4. Step 4: Simplify right side
    71,090,848.20x = 6,989,806,682,546,223
  5. Step 5: Solve for x
    x = 6,989,806,682,546,223/71,090,848.20
  6. Step 6: Final answer
    x = 98,322,173.10

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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.